20512166528

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{1531}}^1$

素因数の和:2358

約数の個数: 128

約数和(自身を含む): 49254412800

約数和(自身を除く): 28742246272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 787, 896, 1064, 1216, 1531, 1574, 2128, 2432, 3062, 3148, 4256, 5509, 6124, 6296, 8512, 10717, 11018, 12248, 12592, 14953, 17024, 21434, 22036, 24496, 25184, 29089, 29906, 42868, 44072, 48992, 50368, 58178, 59812, 85736, 88144, 97984, 100736, 104671, 116356, 119624, 171472, 176288, 195968, 203623, 209342, 232712, 239248, 342944, 352576, 407246, 418684, 465424, 478496, 685888, 705152, 814492, 837368, 930848, 956992, 1204897, 1371776, 1628984, 1674736, 1861696, 1913984, 2409794, 3257968, 3349472, 3723392, 4819588, 6515936, 6698944, 8434279, 9639176, 13031872, 13397888, 16868558, 19278352, 22893043, 26063744, 33737116, 38556704, 45786086, 67474232, 77113408, 91572172, 134948464, 154226816, 160251301, 183144344, 269896928, 320502602, 366288688, 539793856, 641005204, 732577376, 1079587712, 1282010408, 1465154752, 2564020816, 2930309504, 5128041632, 10256083264, 20512166528]

約数ペア:

[(1, 20512166528), (2, 10256083264), (4, 5128041632), (7, 2930309504), (8, 2564020816), (14, 1465154752), (16, 1282010408), (19, 1079587712), (28, 732577376), (32, 641005204), (38, 539793856), (56, 366288688), (64, 320502602), (76, 269896928), (112, 183144344), (128, 160251301), (133, 154226816), (152, 134948464), (224, 91572172), (266, 77113408), (304, 67474232), (448, 45786086), (532, 38556704), (608, 33737116), (787, 26063744), (896, 22893043), (1064, 19278352), (1216, 16868558), (1531, 13397888), (1574, 13031872), (2128, 9639176), (2432, 8434279), (3062, 6698944), (3148, 6515936), (4256, 4819588), (5509, 3723392), (6124, 3349472), (6296, 3257968), (8512, 2409794), (10717, 1913984), (11018, 1861696), (12248, 1674736), (12592, 1628984), (14953, 1371776), (17024, 1204897), (21434, 956992), (22036, 930848), (24496, 837368), (25184, 814492), (29089, 705152), (29906, 685888), (42868, 478496), (44072, 465424), (48992, 418684), (50368, 407246), (58178, 352576), (59812, 342944), (85736, 239248), (88144, 232712), (97984, 209342), (100736, 203623), (104671, 195968), (116356, 176288), (119624, 171472)]