20512667776

素因数分解:

$2^7\times {\mathrm{251}}^1\times {\mathrm{638467}}^1$

素因数の和:638732

約数の個数: 32

約数和(自身を含む): 41027953680

約数和(自身を除く): 20515285904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 502, 1004, 2008, 4016, 8032, 16064, 32128, 638467, 1276934, 2553868, 5107736, 10215472, 20430944, 40861888, 81723776, 160255217, 320510434, 641020868, 1282041736, 2564083472, 5128166944, 10256333888, 20512667776]

約数ペア:

[(1, 20512667776), (2, 10256333888), (4, 5128166944), (8, 2564083472), (16, 1282041736), (32, 641020868), (64, 320510434), (128, 160255217), (251, 81723776), (502, 40861888), (1004, 20430944), (2008, 10215472), (4016, 5107736), (8032, 2553868), (16064, 1276934), (32128, 638467)]