20291492

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2309}}^1$

素因数の和:2352

約数の個数: 24

約数和(自身を含む): 38484600

約数和(自身を除く): 18193108

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2309, 4394, 4618, 8788, 9236, 30017, 60034, 120068, 390221, 780442, 1560884, 5072873, 10145746, 20291492]

約数ペア:

[(1, 20291492), (2, 10145746), (4, 5072873), (13, 1560884), (26, 780442), (52, 390221), (169, 120068), (338, 60034), (676, 30017), (2197, 9236), (2309, 8788), (4394, 4618)]