20197780292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{8221}}^1\times {\mathrm{32327}}^1$

素因数の和:40571

約数の個数: 24

約数和(自身を含む): 37212114240

約数和(自身を除く): 17014333948

約数列:

[1, 2, 4, 19, 38, 76, 8221, 16442, 32327, 32884, 64654, 129308, 156199, 312398, 614213, 624796, 1228426, 2456852, 265760267, 531520534, 1063041068, 5049445073, 10098890146, 20197780292]

約数ペア:

[(1, 20197780292), (2, 10098890146), (4, 5049445073), (19, 1063041068), (38, 531520534), (76, 265760267), (8221, 2456852), (16442, 1228426), (32327, 624796), (32884, 614213), (64654, 312398), (129308, 156199)]