20105561275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{801817}}^1$

素因数の和:801903

約数の個数: 24

約数和(自身を含む): 26844866640

約数和(自身を除く): 6739305365

約数列:

[1, 5, 17, 25, 59, 85, 295, 425, 1003, 1475, 5015, 25075, 801817, 4009085, 13630889, 20045425, 47307203, 68154445, 236536015, 340772225, 804222451, 1182680075, 4021112255, 20105561275]

約数ペア:

[(1, 20105561275), (5, 4021112255), (17, 1182680075), (25, 804222451), (59, 340772225), (85, 236536015), (295, 68154445), (425, 47307203), (1003, 20045425), (1475, 13630889), (5015, 4009085), (25075, 801817)]