20218014980

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1\times {\mathrm{38677}}^1$

素因数の和:39188

約数の個数: 48

約数和(自身を含む): 43276040640

約数和(自身を除く): 23058025660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 443, 590, 886, 1180, 1772, 2215, 4430, 8860, 26137, 38677, 52274, 77354, 104548, 130685, 154708, 193385, 261370, 386770, 522740, 773540, 2281943, 4563886, 9127772, 11409715, 17133911, 22819430, 34267822, 45638860, 68535644, 85669555, 171339110, 342678220, 1010900749, 2021801498, 4043602996, 5054503745, 10109007490, 20218014980]

約数ペア:

[(1, 20218014980), (2, 10109007490), (4, 5054503745), (5, 4043602996), (10, 2021801498), (20, 1010900749), (59, 342678220), (118, 171339110), (236, 85669555), (295, 68535644), (443, 45638860), (590, 34267822), (886, 22819430), (1180, 17133911), (1772, 11409715), (2215, 9127772), (4430, 4563886), (8860, 2281943), (26137, 773540), (38677, 522740), (52274, 386770), (77354, 261370), (104548, 193385), (130685, 154708)]