20176715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 27349056

約数和(自身を除く): 7172341

約数列:

[1, 5, 13, 41, 65, 67, 113, 205, 335, 533, 565, 871, 1469, 2665, 2747, 4355, 4633, 7345, 7571, 13735, 23165, 35711, 37855, 60229, 98423, 178555, 301145, 310411, 492115, 1552055, 4035343, 20176715]

約数ペア:

[(1, 20176715), (5, 4035343), (13, 1552055), (41, 492115), (65, 310411), (67, 301145), (113, 178555), (205, 98423), (335, 60229), (533, 37855), (565, 35711), (871, 23165), (1469, 13735), (2665, 7571), (2747, 7345), (4355, 4633)]