20118392

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3557}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 43549920

約数和(自身を除く): 23431528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3557, 5656, 7114, 14228, 24899, 28456, 49798, 99596, 199192, 359257, 718514, 1437028, 2514799, 2874056, 5029598, 10059196, 20118392]

約数ペア:

[(1, 20118392), (2, 10059196), (4, 5029598), (7, 2874056), (8, 2514799), (14, 1437028), (28, 718514), (56, 359257), (101, 199192), (202, 99596), (404, 49798), (707, 28456), (808, 24899), (1414, 14228), (2828, 7114), (3557, 5656)]