20481136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98467}}^1$

素因数の和:98488

約数の個数: 20

約数和(自身を含む): 42735112

約数和(自身を除く): 22253976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98467, 196934, 393868, 787736, 1280071, 1575472, 2560142, 5120284, 10240568, 20481136]

約数ペア:

[(1, 20481136), (2, 10240568), (4, 5120284), (8, 2560142), (13, 1575472), (16, 1280071), (26, 787736), (52, 393868), (104, 196934), (208, 98467)]