20128542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 48881664

約数和(自身を除く): 28753122

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 67, 69, 134, 138, 161, 201, 311, 322, 402, 469, 483, 622, 933, 938, 966, 1407, 1541, 1866, 2177, 2814, 3082, 4354, 4623, 6531, 7153, 9246, 10787, 13062, 14306, 20837, 21459, 21574, 32361, 41674, 42918, 50071, 62511, 64722, 100142, 125022, 145859, 150213, 291718, 300426, 437577, 479251, 875154, 958502, 1437753, 2875506, 3354757, 6709514, 10064271, 20128542]

約数ペア:

[(1, 20128542), (2, 10064271), (3, 6709514), (6, 3354757), (7, 2875506), (14, 1437753), (21, 958502), (23, 875154), (42, 479251), (46, 437577), (67, 300426), (69, 291718), (134, 150213), (138, 145859), (161, 125022), (201, 100142), (311, 64722), (322, 62511), (402, 50071), (469, 42918), (483, 41674), (622, 32361), (933, 21574), (938, 21459), (966, 20837), (1407, 14306), (1541, 13062), (1866, 10787), (2177, 9246), (2814, 7153), (3082, 6531), (4354, 4623)]