20178026115

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{65867}}^1$

素因数の和:67459

約数の個数: 32

約数和(自身を含む): 34790950656

約数和(自身を除く): 14612924541

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1571, 4713, 7855, 20423, 23565, 61269, 65867, 102115, 197601, 306345, 329335, 856271, 988005, 2568813, 4281355, 12844065, 103477057, 310431171, 517385285, 1345201741, 1552155855, 4035605223, 6726008705, 20178026115]

約数ペア:

[(1, 20178026115), (3, 6726008705), (5, 4035605223), (13, 1552155855), (15, 1345201741), (39, 517385285), (65, 310431171), (195, 103477057), (1571, 12844065), (4713, 4281355), (7855, 2568813), (20423, 988005), (23565, 856271), (61269, 329335), (65867, 306345), (102115, 197601)]