20451642995

素因数分解:

$5^1\times 7^1\times {\mathrm{8543}}^1\times {\mathrm{68399}}^1$

素因数の和:76954

約数の個数: 16

約数和(自身を含む): 28051660800

約数和(自身を除く): 7600017805

約数列:

[1, 5, 7, 35, 8543, 42715, 59801, 68399, 299005, 341995, 478793, 2393965, 584332657, 2921663285, 4090328599, 20451642995]

約数ペア:

[(1, 20451642995), (5, 4090328599), (7, 2921663285), (35, 584332657), (8543, 2393965), (42715, 478793), (59801, 341995), (68399, 299005)]