20118996860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8902211}}^1$

素因数の和:8902333

約数の個数: 24

約数和(自身を含む): 42623791056

約数和(自身を除く): 22504794196

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8902211, 17804422, 35608844, 44511055, 89022110, 178044220, 1005949843, 2011899686, 4023799372, 5029749215, 10059498430, 20118996860]

約数ペア:

[(1, 20118996860), (2, 10059498430), (4, 5029749215), (5, 4023799372), (10, 2011899686), (20, 1005949843), (113, 178044220), (226, 89022110), (452, 44511055), (565, 35608844), (1130, 17804422), (2260, 8902211)]