20199783877

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{739}}^1\times {\mathrm{17669}}^1$

素因数の和:18445

約数の個数: 32

約数和(自身を含む): 26360812800

約数和(自身を除く): 6161028923

約数列:

[1, 7, 13, 17, 91, 119, 221, 739, 1547, 5173, 9607, 12563, 17669, 67249, 87941, 123683, 163319, 229697, 300373, 1143233, 1607879, 2102611, 3904849, 13057391, 27333943, 91401737, 169746083, 221975647, 1188222581, 1553829529, 2885683411, 20199783877]

約数ペア:

[(1, 20199783877), (7, 2885683411), (13, 1553829529), (17, 1188222581), (91, 221975647), (119, 169746083), (221, 91401737), (739, 27333943), (1547, 13057391), (5173, 3904849), (9607, 2102611), (12563, 1607879), (17669, 1143233), (67249, 300373), (87941, 229697), (123683, 163319)]