22155220

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1499}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 46620000

約数和(自身を除く): 24464780

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 1499, 2956, 2998, 3695, 5996, 7390, 7495, 14780, 14990, 29980, 1107761, 2215522, 4431044, 5538805, 11077610, 22155220]

約数ペア:

[(1, 22155220), (2, 11077610), (4, 5538805), (5, 4431044), (10, 2215522), (20, 1107761), (739, 29980), (1478, 14990), (1499, 14780), (2956, 7495), (2998, 7390), (3695, 5996)]