2154020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9791}}^1$

素因数の和:9811

約数の個数: 24

約数和(自身を含む): 4935168

約数和(自身を除く): 2781148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9791, 19582, 39164, 48955, 97910, 107701, 195820, 215402, 430804, 538505, 1077010, 2154020]

約数ペア:

[(1, 2154020), (2, 1077010), (4, 538505), (5, 430804), (10, 215402), (11, 195820), (20, 107701), (22, 97910), (44, 48955), (55, 39164), (110, 19582), (220, 9791)]