20153913472

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:715

約数の個数: 256

約数和(自身を含む): 53017804800

約数和(自身を除く): 32863891328

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 128, 133, 152, 154, 176, 209, 224, 266, 281, 304, 308, 352, 383, 418, 448, 532, 562, 608, 616, 704, 766, 836, 896, 1064, 1124, 1216, 1232, 1408, 1463, 1532, 1672, 1967, 2128, 2248, 2432, 2464, 2681, 2926, 3064, 3091, 3344, 3934, 4213, 4256, 4496, 4928, 5339, 5362, 5852, 6128, 6182, 6688, 7277, 7868, 8426, 8512, 8992, 9856, 10678, 10724, 11704, 12256, 12364, 13376, 14554, 15736, 16852, 17024, 17984, 21356, 21448, 21637, 23408, 24512, 24728, 26752, 29108, 29491, 31472, 33704, 35968, 37373, 42712, 42896, 43274, 46816, 49024, 49456, 50939, 58216, 58729, 58982, 62944, 67408, 74746, 80047, 85424, 85792, 86548, 93632, 98912, 101878, 107623, 116432, 117458, 117964, 125888, 134816, 149492, 160094, 170848, 171584, 173096, 187264, 197824, 203756, 215246, 232864, 234916, 235928, 251776, 269632, 298984, 320188, 341696, 343168, 346192, 395648, 407512, 411103, 430492, 465728, 469832, 471856, 539264, 560329, 597968, 640376, 683392, 692384, 753361, 815024, 822206, 860984, 931456, 939664, 943712, 1120658, 1183853, 1195936, 1280752, 1384768, 1506722, 1630048, 1644412, 1721968, 1879328, 1887424, 2044837, 2241316, 2367706, 2391872, 2561504, 2769536, 3013444, 3260096, 3288824, 3443936, 3758656, 3774848, 4089674, 4482632, 4735412, 4783744, 5123008, 6026888, 6520192, 6577648, 6887872, 7517312, 8179348, 8286971, 8965264, 9470824, 10246016, 12053776, 13155296, 13775744, 14313859, 16358696, 16573942, 17930528, 18941648, 22493207, 24107552, 26310592, 28627718, 32717392, 33147884, 35861056, 37883296, 44986414, 48215104, 52621184, 57255436, 65434784, 66295768, 71722112, 75766592, 89972828, 96430208, 114510872, 130869568, 132591536, 151533184, 157452449, 179945656, 229021744, 261739136, 265183072, 314904898, 359891312, 458043488, 530366144, 629809796, 719782624, 916086976, 1060732288, 1259619592, 1439565248, 1832173952, 2519239184, 2879130496, 5038478368, 10076956736, 20153913472]

約数ペア:

[(1, 20153913472), (2, 10076956736), (4, 5038478368), (7, 2879130496), (8, 2519239184), (11, 1832173952), (14, 1439565248), (16, 1259619592), (19, 1060732288), (22, 916086976), (28, 719782624), (32, 629809796), (38, 530366144), (44, 458043488), (56, 359891312), (64, 314904898), (76, 265183072), (77, 261739136), (88, 229021744), (112, 179945656), (128, 157452449), (133, 151533184), (152, 132591536), (154, 130869568), (176, 114510872), (209, 96430208), (224, 89972828), (266, 75766592), (281, 71722112), (304, 66295768), (308, 65434784), (352, 57255436), (383, 52621184), (418, 48215104), (448, 44986414), (532, 37883296), (562, 35861056), (608, 33147884), (616, 32717392), (704, 28627718), (766, 26310592), (836, 24107552), (896, 22493207), (1064, 18941648), (1124, 17930528), (1216, 16573942), (1232, 16358696), (1408, 14313859), (1463, 13775744), (1532, 13155296), (1672, 12053776), (1967, 10246016), (2128, 9470824), (2248, 8965264), (2432, 8286971), (2464, 8179348), (2681, 7517312), (2926, 6887872), (3064, 6577648), (3091, 6520192), (3344, 6026888), (3934, 5123008), (4213, 4783744), (4256, 4735412), (4496, 4482632), (4928, 4089674), (5339, 3774848), (5362, 3758656), (5852, 3443936), (6128, 3288824), (6182, 3260096), (6688, 3013444), (7277, 2769536), (7868, 2561504), (8426, 2391872), (8512, 2367706), (8992, 2241316), (9856, 2044837), (10678, 1887424), (10724, 1879328), (11704, 1721968), (12256, 1644412), (12364, 1630048), (13376, 1506722), (14554, 1384768), (15736, 1280752), (16852, 1195936), (17024, 1183853), (17984, 1120658), (21356, 943712), (21448, 939664), (21637, 931456), (23408, 860984), (24512, 822206), (24728, 815024), (26752, 753361), (29108, 692384), (29491, 683392), (31472, 640376), (33704, 597968), (35968, 560329), (37373, 539264), (42712, 471856), (42896, 469832), (43274, 465728), (46816, 430492), (49024, 411103), (49456, 407512), (50939, 395648), (58216, 346192), (58729, 343168), (58982, 341696), (62944, 320188), (67408, 298984), (74746, 269632), (80047, 251776), (85424, 235928), (85792, 234916), (86548, 232864), (93632, 215246), (98912, 203756), (101878, 197824), (107623, 187264), (116432, 173096), (117458, 171584), (117964, 170848), (125888, 160094), (134816, 149492)]