20112796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11149}}^1$

素因数の和:11205

約数の個数: 24

約数和(自身を含む): 39337200

約数和(自身を除く): 19224404

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11149, 22298, 44596, 122639, 245278, 457109, 490556, 914218, 1828436, 5028199, 10056398, 20112796]

約数ペア:

[(1, 20112796), (2, 10056398), (4, 5028199), (11, 1828436), (22, 914218), (41, 490556), (44, 457109), (82, 245278), (164, 122639), (451, 44596), (902, 22298), (1804, 11149)]