84918020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{385991}}^1$

素因数の和:386011

約数の個数: 24

約数和(自身を含む): 194539968

約数和(自身を除く): 109621948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 385991, 771982, 1543964, 1929955, 3859910, 4245901, 7719820, 8491802, 16983604, 21229505, 42459010, 84918020]

約数ペア:

[(1, 84918020), (2, 42459010), (4, 21229505), (5, 16983604), (10, 8491802), (11, 7719820), (20, 4245901), (22, 3859910), (44, 1929955), (55, 1543964), (110, 771982), (220, 385991)]