20844928

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12527}}^1$

素因数の和:12554

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 23880032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12527, 25054, 50108, 100216, 162851, 200432, 325702, 400864, 651404, 801728, 1302808, 1603456, 2605616, 5211232, 10422464, 20844928]

約数ペア:

[(1, 20844928), (2, 10422464), (4, 5211232), (8, 2605616), (13, 1603456), (16, 1302808), (26, 801728), (32, 651404), (52, 400864), (64, 325702), (104, 200432), (128, 162851), (208, 100216), (416, 50108), (832, 25054), (1664, 12527)]