20651328

素因数分解:

$2^6\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 224

約数和(自身を含む): 69494400

約数和(自身を除く): 48843072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 27, 32, 34, 36, 37, 38, 48, 51, 54, 57, 64, 68, 72, 74, 76, 96, 102, 108, 111, 114, 136, 144, 148, 152, 153, 171, 192, 204, 216, 222, 228, 272, 288, 296, 304, 306, 323, 333, 342, 408, 432, 444, 456, 459, 513, 544, 576, 592, 608, 612, 629, 646, 666, 684, 703, 816, 864, 888, 912, 918, 969, 999, 1026, 1088, 1184, 1216, 1224, 1258, 1292, 1332, 1368, 1406, 1632, 1728, 1776, 1824, 1836, 1887, 1938, 1998, 2052, 2109, 2368, 2448, 2516, 2584, 2664, 2736, 2812, 2907, 3264, 3552, 3648, 3672, 3774, 3876, 3996, 4104, 4218, 4896, 5032, 5168, 5328, 5472, 5624, 5661, 5814, 6327, 7104, 7344, 7548, 7752, 7992, 8208, 8436, 8721, 9792, 10064, 10336, 10656, 10944, 11248, 11322, 11628, 11951, 12654, 14688, 15096, 15504, 15984, 16416, 16872, 16983, 17442, 18981, 20128, 20672, 21312, 22496, 22644, 23256, 23902, 25308, 29376, 30192, 31008, 31968, 32832, 33744, 33966, 34884, 35853, 37962, 40256, 44992, 45288, 46512, 47804, 50616, 60384, 62016, 63936, 67488, 67932, 69768, 71706, 75924, 90576, 93024, 95608, 101232, 107559, 120768, 134976, 135864, 139536, 143412, 151848, 181152, 186048, 191216, 202464, 215118, 271728, 279072, 286824, 303696, 322677, 362304, 382432, 404928, 430236, 543456, 558144, 573648, 607392, 645354, 764864, 860472, 1086912, 1147296, 1214784, 1290708, 1720944, 2294592, 2581416, 3441888, 5162832, 6883776, 10325664, 20651328]

約数ペア:

[(1, 20651328), (2, 10325664), (3, 6883776), (4, 5162832), (6, 3441888), (8, 2581416), (9, 2294592), (12, 1720944), (16, 1290708), (17, 1214784), (18, 1147296), (19, 1086912), (24, 860472), (27, 764864), (32, 645354), (34, 607392), (36, 573648), (37, 558144), (38, 543456), (48, 430236), (51, 404928), (54, 382432), (57, 362304), (64, 322677), (68, 303696), (72, 286824), (74, 279072), (76, 271728), (96, 215118), (102, 202464), (108, 191216), (111, 186048), (114, 181152), (136, 151848), (144, 143412), (148, 139536), (152, 135864), (153, 134976), (171, 120768), (192, 107559), (204, 101232), (216, 95608), (222, 93024), (228, 90576), (272, 75924), (288, 71706), (296, 69768), (304, 67932), (306, 67488), (323, 63936), (333, 62016), (342, 60384), (408, 50616), (432, 47804), (444, 46512), (456, 45288), (459, 44992), (513, 40256), (544, 37962), (576, 35853), (592, 34884), (608, 33966), (612, 33744), (629, 32832), (646, 31968), (666, 31008), (684, 30192), (703, 29376), (816, 25308), (864, 23902), (888, 23256), (912, 22644), (918, 22496), (969, 21312), (999, 20672), (1026, 20128), (1088, 18981), (1184, 17442), (1216, 16983), (1224, 16872), (1258, 16416), (1292, 15984), (1332, 15504), (1368, 15096), (1406, 14688), (1632, 12654), (1728, 11951), (1776, 11628), (1824, 11322), (1836, 11248), (1887, 10944), (1938, 10656), (1998, 10336), (2052, 10064), (2109, 9792), (2368, 8721), (2448, 8436), (2516, 8208), (2584, 7992), (2664, 7752), (2736, 7548), (2812, 7344), (2907, 7104), (3264, 6327), (3552, 5814), (3648, 5661), (3672, 5624), (3774, 5472), (3876, 5328), (3996, 5168), (4104, 5032), (4218, 4896)]