20391176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6761}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 42600600

約数和(自身を除く): 22209424

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6761, 13522, 27044, 54088, 87893, 175786, 196069, 351572, 392138, 703144, 784276, 1568552, 2548897, 5097794, 10195588, 20391176]

約数ペア:

[(1, 20391176), (2, 10195588), (4, 5097794), (8, 2548897), (13, 1568552), (26, 784276), (29, 703144), (52, 392138), (58, 351572), (104, 196069), (116, 175786), (232, 87893), (377, 54088), (754, 27044), (1508, 13522), (3016, 6761)]