20454860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35267}}^1$

素因数の和:35305

約数の個数: 24

約数和(自身を含む): 44437680

約数和(自身を除く): 23982820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35267, 70534, 141068, 176335, 352670, 705340, 1022743, 2045486, 4090972, 5113715, 10227430, 20454860]

約数ペア:

[(1, 20454860), (2, 10227430), (4, 5113715), (5, 4090972), (10, 2045486), (20, 1022743), (29, 705340), (58, 352670), (116, 176335), (145, 141068), (290, 70534), (580, 35267)]