20228825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 6912295

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 1151, 3515, 5755, 17575, 21869, 28775, 42587, 109345, 212935, 546725, 809153, 1064675, 4045765, 20228825]

約数ペア:

[(1, 20228825), (5, 4045765), (19, 1064675), (25, 809153), (37, 546725), (95, 212935), (185, 109345), (475, 42587), (703, 28775), (925, 21869), (1151, 17575), (3515, 5755)]