20984910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1579}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 50509440

約数和(自身を除く): 29524530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 1579, 2215, 2658, 3158, 4430, 4737, 6645, 7895, 9474, 13290, 15790, 23685, 47370, 699497, 1398994, 2098491, 3497485, 4196982, 6994970, 10492455, 20984910]

約数ペア:

[(1, 20984910), (2, 10492455), (3, 6994970), (5, 4196982), (6, 3497485), (10, 2098491), (15, 1398994), (30, 699497), (443, 47370), (886, 23685), (1329, 15790), (1579, 13290), (2215, 9474), (2658, 7895), (3158, 6645), (4430, 4737)]