20967752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5449}}^1$

素因数の和:5505

約数の個数: 32

約数和(自身を含む): 43491000

約数和(自身を除く): 22523248

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5449, 10898, 21796, 43592, 70837, 141674, 201613, 283348, 403226, 566696, 806452, 1612904, 2620969, 5241938, 10483876, 20967752]

約数ペア:

[(1, 20967752), (2, 10483876), (4, 5241938), (8, 2620969), (13, 1612904), (26, 806452), (37, 566696), (52, 403226), (74, 283348), (104, 201613), (148, 141674), (296, 70837), (481, 43592), (962, 21796), (1924, 10898), (3848, 5449)]