20985512

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 41733120

約数和(自身を除く): 20747608

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2287, 2294, 4574, 4588, 9148, 9176, 18296, 70897, 84619, 141794, 169238, 283588, 338476, 567176, 676952, 2623189, 5246378, 10492756, 20985512]

約数ペア:

[(1, 20985512), (2, 10492756), (4, 5246378), (8, 2623189), (31, 676952), (37, 567176), (62, 338476), (74, 283588), (124, 169238), (148, 141794), (248, 84619), (296, 70897), (1147, 18296), (2287, 9176), (2294, 9148), (4574, 4588)]