20880502

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1$

素因数の和:1403

約数の個数: 16

約数和(自身を含む): 32182272

約数和(自身を除く): 11301770

約数列:

[1, 2, 47, 94, 191, 382, 1163, 2326, 8977, 17954, 54661, 109322, 222133, 444266, 10440251, 20880502]

約数ペア:

[(1, 20880502), (2, 10440251), (47, 444266), (94, 222133), (191, 109322), (382, 54661), (1163, 17954), (2326, 8977)]