22138820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 51262848

約数和(自身を除く): 29124028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 977, 1030, 1133, 1954, 2060, 2266, 3908, 4532, 4885, 5665, 9770, 10747, 11330, 19540, 21494, 22660, 42988, 53735, 100631, 107470, 201262, 214940, 402524, 503155, 1006310, 1106941, 2012620, 2213882, 4427764, 5534705, 11069410, 22138820]

約数ペア:

[(1, 22138820), (2, 11069410), (4, 5534705), (5, 4427764), (10, 2213882), (11, 2012620), (20, 1106941), (22, 1006310), (44, 503155), (55, 402524), (103, 214940), (110, 201262), (206, 107470), (220, 100631), (412, 53735), (515, 42988), (977, 22660), (1030, 21494), (1133, 19540), (1954, 11330), (2060, 10747), (2266, 9770), (3908, 5665), (4532, 4885)]