20847244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2069}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 39992400

約数和(自身を除く): 19145156

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2069, 2519, 4138, 5038, 8276, 10076, 22759, 45518, 91036, 473801, 947602, 1895204, 5211811, 10423622, 20847244]

約数ペア:

[(1, 20847244), (2, 10423622), (4, 5211811), (11, 1895204), (22, 947602), (44, 473801), (229, 91036), (458, 45518), (916, 22759), (2069, 10076), (2519, 8276), (4138, 5038)]