20188693775

素因数分解:

$5^2\times {\mathrm{271}}^1\times {\mathrm{911}}^1\times {\mathrm{3271}}^1$

素因数の和:4463

約数の個数: 24

約数和(自身を含む): 25161627648

約数和(自身を除く): 4972933873

約数列:

[1, 5, 25, 271, 911, 1355, 3271, 4555, 6775, 16355, 22775, 81775, 246881, 886441, 1234405, 2979881, 4432205, 6172025, 14899405, 22161025, 74497025, 807547751, 4037738755, 20188693775]

約数ペア:

[(1, 20188693775), (5, 4037738755), (25, 807547751), (271, 74497025), (911, 22161025), (1355, 14899405), (3271, 6172025), (4555, 4432205), (6775, 2979881), (16355, 1234405), (22775, 886441), (81775, 246881)]