20397492088

素因数分解:

$2^3\times {\mathrm{5573}}^1\times {\mathrm{457507}}^1$

素因数の和:463086

約数の個数: 16

約数和(自身を含む): 38252243880

約数和(自身を除く): 17854751792

約数列:

[1, 2, 4, 8, 5573, 11146, 22292, 44584, 457507, 915014, 1830028, 3660056, 2549686511, 5099373022, 10198746044, 20397492088]

約数ペア:

[(1, 20397492088), (2, 10198746044), (4, 5099373022), (8, 2549686511), (5573, 3660056), (11146, 1830028), (22292, 915014), (44584, 457507)]