20116705

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1747}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 28695168

約数和(自身を除く): 8578463

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 1747, 2303, 8735, 11515, 12229, 61145, 82109, 85603, 410545, 428015, 574763, 2873815, 4023341, 20116705]

約数ペア:

[(1, 20116705), (5, 4023341), (7, 2873815), (35, 574763), (47, 428015), (49, 410545), (235, 85603), (245, 82109), (329, 61145), (1645, 12229), (1747, 11515), (2303, 8735)]