20197520189

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1\times {\mathrm{2797}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 25373786112

約数和(自身を除く): 5176265923

約数列:

[1, 7, 11, 77, 191, 491, 1337, 2101, 2797, 3437, 5401, 14707, 19579, 30767, 37807, 93781, 215369, 534227, 656467, 1031591, 1373327, 3739589, 5876497, 7221137, 9613289, 15106597, 41135479, 105746179, 262305457, 1836138199, 2885360027, 20197520189]

約数ペア:

[(1, 20197520189), (7, 2885360027), (11, 1836138199), (77, 262305457), (191, 105746179), (491, 41135479), (1337, 15106597), (2101, 9613289), (2797, 7221137), (3437, 5876497), (5401, 3739589), (14707, 1373327), (19579, 1031591), (30767, 656467), (37807, 534227), (93781, 215369)]