20221990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 38076480

約数和(自身を除く): 17854490

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 677, 1030, 1354, 2987, 3385, 5974, 6770, 14935, 19633, 29870, 39266, 69731, 98165, 139462, 196330, 348655, 697310, 2022199, 4044398, 10110995, 20221990]

約数ペア:

[(1, 20221990), (2, 10110995), (5, 4044398), (10, 2022199), (29, 697310), (58, 348655), (103, 196330), (145, 139462), (206, 98165), (290, 69731), (515, 39266), (677, 29870), (1030, 19633), (1354, 14935), (2987, 6770), (3385, 5974)]