20670188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6101}}^1$

素因数の和:6134

約数の個数: 36

約数和(自身を含む): 45447696

約数和(自身を除く): 24777508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6101, 12202, 24404, 42707, 67111, 85414, 134222, 170828, 268444, 469777, 738221, 939554, 1476442, 1879108, 2952884, 5167547, 10335094, 20670188]

約数ペア:

[(1, 20670188), (2, 10335094), (4, 5167547), (7, 2952884), (11, 1879108), (14, 1476442), (22, 939554), (28, 738221), (44, 469777), (77, 268444), (121, 170828), (154, 134222), (242, 85414), (308, 67111), (484, 42707), (847, 24404), (1694, 12202), (3388, 6101)]