20440796

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 37001664

約数和(自身を除く): 16560868

約数列:

[1, 2, 4, 41, 82, 113, 164, 226, 452, 1103, 2206, 4412, 4633, 9266, 18532, 45223, 90446, 124639, 180892, 249278, 498556, 5110199, 10220398, 20440796]

約数ペア:

[(1, 20440796), (2, 10220398), (4, 5110199), (41, 498556), (82, 249278), (113, 180892), (164, 124639), (226, 90446), (452, 45223), (1103, 18532), (2206, 9266), (4412, 4633)]