20199803757

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1360531}}^1$

素因数の和:1360649

約数の個数: 24

約数和(自身を含む): 31640532192

約数和(自身を除く): 11440728435

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 2121, 4949, 14847, 1360531, 4081593, 9523717, 28571151, 66666019, 137413631, 199998057, 412240893, 961895417, 2885686251, 6733267919, 20199803757]

約数ペア:

[(1, 20199803757), (3, 6733267919), (7, 2885686251), (21, 961895417), (49, 412240893), (101, 199998057), (147, 137413631), (303, 66666019), (707, 28571151), (2121, 9523717), (4949, 4081593), (14847, 1360531)]