20512605578

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{4153}}^1$

素因数の和:4566

約数の個数: 32

約数和(自身を含む): 31474027200

約数和(自身を除く): 10961421622

約数列:

[1, 2, 109, 139, 163, 218, 278, 326, 4153, 8306, 15151, 17767, 22657, 30302, 35534, 45314, 452677, 577267, 676939, 905354, 1154534, 1353878, 2469613, 4939226, 62922103, 73786351, 94094521, 125844206, 147572702, 188189042, 10256302789, 20512605578]

約数ペア:

[(1, 20512605578), (2, 10256302789), (109, 188189042), (139, 147572702), (163, 125844206), (218, 94094521), (278, 73786351), (326, 62922103), (4153, 4939226), (8306, 2469613), (15151, 1353878), (17767, 1154534), (22657, 905354), (30302, 676939), (35534, 577267), (45314, 452677)]