20684699

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1721}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 25292736

約数和(自身を除く): 4608037

約数列:

[1, 7, 17, 101, 119, 707, 1717, 1721, 12019, 12047, 29257, 173821, 204799, 1216747, 2954957, 20684699]

約数ペア:

[(1, 20684699), (7, 2954957), (17, 1216747), (101, 204799), (119, 173821), (707, 29257), (1717, 12047), (1721, 12019)]