20657884905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65580587}}^1$

素因数の和:65580605

約数の個数: 24

約数和(自身を含む): 40922286912

約数和(自身を除く): 20264402007

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65580587, 196741761, 327902935, 459064109, 590225283, 983708805, 1377192327, 2295320545, 2951126415, 4131576981, 6885961635, 20657884905]

約数ペア:

[(1, 20657884905), (3, 6885961635), (5, 4131576981), (7, 2951126415), (9, 2295320545), (15, 1377192327), (21, 983708805), (35, 590225283), (45, 459064109), (63, 327902935), (105, 196741761), (315, 65580587)]