20120681624

素因数分解:

$2^3\times {\mathrm{9929}}^1\times {\mathrm{253307}}^1$

素因数の和:263242

約数の個数: 16

約数和(自身を含む): 37730226600

約数和(自身を除く): 17609544976

約数列:

[1, 2, 4, 8, 9929, 19858, 39716, 79432, 253307, 506614, 1013228, 2026456, 2515085203, 5030170406, 10060340812, 20120681624]

約数ペア:

[(1, 20120681624), (2, 10060340812), (4, 5030170406), (8, 2515085203), (9929, 2026456), (19858, 1013228), (39716, 506614), (79432, 253307)]