20864168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11801}}^1$

素因数の和:11837

約数の個数: 32

約数和(自身を含む): 44611560

約数和(自身を除く): 23747392

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11801, 23602, 47204, 94408, 153413, 200617, 306826, 401234, 613652, 802468, 1227304, 1604936, 2608021, 5216042, 10432084, 20864168]

約数ペア:

[(1, 20864168), (2, 10432084), (4, 5216042), (8, 2608021), (13, 1604936), (17, 1227304), (26, 802468), (34, 613652), (52, 401234), (68, 306826), (104, 200617), (136, 153413), (221, 94408), (442, 47204), (884, 23602), (1768, 11801)]