20496866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15065374

約数列:

[1, 2, 13, 17, 26, 34, 79, 158, 221, 442, 587, 1027, 1174, 1343, 2054, 2686, 7631, 9979, 15262, 17459, 19958, 34918, 46373, 92746, 129727, 259454, 602849, 788341, 1205698, 1576682, 10248433, 20496866]

約数ペア:

[(1, 20496866), (2, 10248433), (13, 1576682), (17, 1205698), (26, 788341), (34, 602849), (79, 259454), (158, 129727), (221, 92746), (442, 46373), (587, 34918), (1027, 19958), (1174, 17459), (1343, 15262), (2054, 9979), (2686, 7631)]