20218673676

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{417983}}^1$

素因数の和:418158

約数の個数: 48

約数和(自身を含む): 49154918400

約数和(自身を除く): 28936244724

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 139, 174, 278, 348, 417, 556, 834, 1668, 4031, 8062, 12093, 16124, 24186, 48372, 417983, 835966, 1253949, 1671932, 2507898, 5015796, 12121507, 24243014, 36364521, 48486028, 58099637, 72729042, 116199274, 145458084, 174298911, 232398548, 348597822, 697195644, 1684889473, 3369778946, 5054668419, 6739557892, 10109336838, 20218673676]

約数ペア:

[(1, 20218673676), (2, 10109336838), (3, 6739557892), (4, 5054668419), (6, 3369778946), (12, 1684889473), (29, 697195644), (58, 348597822), (87, 232398548), (116, 174298911), (139, 145458084), (174, 116199274), (278, 72729042), (348, 58099637), (417, 48486028), (556, 36364521), (834, 24243014), (1668, 12121507), (4031, 5015796), (8062, 2507898), (12093, 1671932), (16124, 1253949), (24186, 835966), (48372, 417983)]