20854550075

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{2153}}^1\times {\mathrm{2377}}^1$

素因数の和:4703

約数の個数: 24

約数和(自身を含む): 26041325808

約数和(自身を除く): 5186775733

約数列:

[1, 5, 25, 163, 815, 2153, 2377, 4075, 10765, 11885, 53825, 59425, 350939, 387451, 1754695, 1937255, 5117681, 8773475, 9686275, 25588405, 127942025, 834182003, 4170910015, 20854550075]

約数ペア:

[(1, 20854550075), (5, 4170910015), (25, 834182003), (163, 127942025), (815, 25588405), (2153, 9686275), (2377, 8773475), (4075, 5117681), (10765, 1937255), (11885, 1754695), (53825, 387451), (59425, 350939)]