20015389072

素因数分解:

$2^4\times 7^9\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 100

約数和(自身を含む): 46702574336

約数和(自身を除く): 26687185264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1372, 1519, 1736, 2401, 2744, 3038, 3472, 4802, 5488, 6076, 9604, 10633, 12152, 16807, 19208, 21266, 24304, 33614, 38416, 42532, 67228, 74431, 85064, 117649, 134456, 148862, 170128, 235298, 268912, 297724, 470596, 521017, 595448, 823543, 941192, 1042034, 1190896, 1647086, 1882384, 2084068, 3294172, 3647119, 4168136, 5764801, 6588344, 7294238, 8336272, 11529602, 13176688, 14588476, 23059204, 25529833, 29176952, 40353607, 46118408, 51059666, 58353904, 80707214, 92236816, 102119332, 161414428, 178708831, 204238664, 322828856, 357417662, 408477328, 645657712, 714835324, 1250961817, 1429670648, 2501923634, 2859341296, 5003847268, 10007694536, 20015389072]

約数ペア:

[(1, 20015389072), (2, 10007694536), (4, 5003847268), (7, 2859341296), (8, 2501923634), (14, 1429670648), (16, 1250961817), (28, 714835324), (31, 645657712), (49, 408477328), (56, 357417662), (62, 322828856), (98, 204238664), (112, 178708831), (124, 161414428), (196, 102119332), (217, 92236816), (248, 80707214), (343, 58353904), (392, 51059666), (434, 46118408), (496, 40353607), (686, 29176952), (784, 25529833), (868, 23059204), (1372, 14588476), (1519, 13176688), (1736, 11529602), (2401, 8336272), (2744, 7294238), (3038, 6588344), (3472, 5764801), (4802, 4168136), (5488, 3647119), (6076, 3294172), (9604, 2084068), (10633, 1882384), (12152, 1647086), (16807, 1190896), (19208, 1042034), (21266, 941192), (24304, 823543), (33614, 595448), (38416, 521017), (42532, 470596), (67228, 297724), (74431, 268912), (85064, 235298), (117649, 170128), (134456, 148862)]