20556893

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{761}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 25017984

約数和(自身を除く): 4461091

約数列:

[1, 7, 17, 119, 227, 761, 1589, 3859, 5327, 12937, 27013, 90559, 172747, 1209229, 2936699, 20556893]

約数ペア:

[(1, 20556893), (7, 2936699), (17, 1209229), (119, 172747), (227, 90559), (761, 27013), (1589, 12937), (3859, 5327)]