20724702921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{8537}}^1\times {\mathrm{20749}}^1$

素因数の和:29305

約数の個数: 24

約数和(自身を含む): 32243757000

約数和(自身を除く): 11519054079

約数列:

[1, 3, 9, 13, 39, 117, 8537, 20749, 25611, 62247, 76833, 110981, 186741, 269737, 332943, 809211, 998829, 2427633, 177134213, 531402639, 1594207917, 2302744769, 6908234307, 20724702921]

約数ペア:

[(1, 20724702921), (3, 6908234307), (9, 2302744769), (13, 1594207917), (39, 531402639), (117, 177134213), (8537, 2427633), (20749, 998829), (25611, 809211), (62247, 332943), (76833, 269737), (110981, 186741)]