20014425

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 37200000

約数和(自身を除く): 17185575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 199, 225, 447, 597, 675, 745, 995, 1341, 1791, 2235, 2985, 3725, 4023, 4975, 5373, 6705, 8955, 11175, 14925, 20115, 26865, 29651, 33525, 44775, 88953, 100575, 134325, 148255, 266859, 444765, 741275, 800577, 1334295, 2223825, 4002885, 6671475, 20014425]

約数ペア:

[(1, 20014425), (3, 6671475), (5, 4002885), (9, 2223825), (15, 1334295), (25, 800577), (27, 741275), (45, 444765), (75, 266859), (135, 148255), (149, 134325), (199, 100575), (225, 88953), (447, 44775), (597, 33525), (675, 29651), (745, 26865), (995, 20115), (1341, 14925), (1791, 11175), (2235, 8955), (2985, 6705), (3725, 5373), (4023, 4975)]