20908035

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20201}}^1$

素因数の和:20235

約数の個数: 24

約数和(自身を含む): 37818144

約数和(自身を除く): 16910109

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20201, 60603, 101005, 181809, 303015, 464623, 909045, 1393869, 2323115, 4181607, 6969345, 20908035]

約数ペア:

[(1, 20908035), (3, 6969345), (5, 4181607), (9, 2323115), (15, 1393869), (23, 909045), (45, 464623), (69, 303015), (115, 181809), (207, 101005), (345, 60603), (1035, 20201)]