1920820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8731}}^1$

素因数の和:8751

約数の個数: 24

約数和(自身を含む): 4400928

約数和(自身を除く): 2480108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8731, 17462, 34924, 43655, 87310, 96041, 174620, 192082, 384164, 480205, 960410, 1920820]

約数ペア:

[(1, 1920820), (2, 960410), (4, 480205), (5, 384164), (10, 192082), (11, 174620), (20, 96041), (22, 87310), (44, 43655), (55, 34924), (110, 17462), (220, 8731)]