20461095

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15679}}^1$

素因数の和:15719

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16230105

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15679, 47037, 78395, 141111, 235185, 454691, 705555, 1364073, 2273455, 4092219, 6820365, 20461095]

約数ペア:

[(1, 20461095), (3, 6820365), (5, 4092219), (9, 2273455), (15, 1364073), (29, 705555), (45, 454691), (87, 235185), (145, 141111), (261, 78395), (435, 47037), (1305, 15679)]