20702374

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 40

約数和(自身を含む): 39425040

約数和(自身を除く): 18722666

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 121, 154, 202, 242, 707, 847, 1111, 1331, 1414, 1694, 2222, 2662, 7777, 9317, 12221, 14641, 15554, 18634, 24442, 29282, 85547, 102487, 134431, 171094, 204974, 268862, 941017, 1478741, 1882034, 2957482, 10351187, 20702374]

約数ペア:

[(1, 20702374), (2, 10351187), (7, 2957482), (11, 1882034), (14, 1478741), (22, 941017), (77, 268862), (101, 204974), (121, 171094), (154, 134431), (202, 102487), (242, 85547), (707, 29282), (847, 24442), (1111, 18634), (1331, 15554), (1414, 14641), (1694, 12221), (2222, 9317), (2662, 7777)]