22238620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15661}}^1$

素因数の和:15741

約数の個数: 24

約数和(自身を含む): 47361888

約数和(自身を除く): 25123268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15661, 31322, 62644, 78305, 156610, 313220, 1111931, 2223862, 4447724, 5559655, 11119310, 22238620]

約数ペア:

[(1, 22238620), (2, 11119310), (4, 5559655), (5, 4447724), (10, 2223862), (20, 1111931), (71, 313220), (142, 156610), (284, 78305), (355, 62644), (710, 31322), (1420, 15661)]