20178663498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{687331}}^1$

素因数の和:687579

約数の個数: 48

約数和(自身を含む): 50180734656

約数和(自身を除く): 30002071158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 1398, 1631, 2097, 3262, 4194, 4893, 9786, 14679, 29358, 687331, 1374662, 2061993, 4123986, 4811317, 6185979, 9622634, 12371958, 14433951, 28867902, 43301853, 86603706, 160148123, 320296246, 480444369, 960888738, 1121036861, 1441333107, 2242073722, 2882666214, 3363110583, 6726221166, 10089331749, 20178663498]

約数ペア:

[(1, 20178663498), (2, 10089331749), (3, 6726221166), (6, 3363110583), (7, 2882666214), (9, 2242073722), (14, 1441333107), (18, 1121036861), (21, 960888738), (42, 480444369), (63, 320296246), (126, 160148123), (233, 86603706), (466, 43301853), (699, 28867902), (1398, 14433951), (1631, 12371958), (2097, 9622634), (3262, 6185979), (4194, 4811317), (4893, 4123986), (9786, 2061993), (14679, 1374662), (29358, 687331)]