20766645

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{773}}^1$

素因数の和:986

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 16385355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 773, 995, 1791, 2319, 2985, 3865, 5373, 6957, 8955, 11595, 20871, 26865, 34785, 104355, 153827, 461481, 769135, 1384443, 2307405, 4153329, 6922215, 20766645]

約数ペア:

[(1, 20766645), (3, 6922215), (5, 4153329), (9, 2307405), (15, 1384443), (27, 769135), (45, 461481), (135, 153827), (199, 104355), (597, 34785), (773, 26865), (995, 20871), (1791, 11595), (2319, 8955), (2985, 6957), (3865, 5373)]