20212065

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8807}}^1$

素因数の和:8838

約数の個数: 32

約数和(自身を含む): 38050560

約数和(自身を除く): 17838495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8807, 26421, 44035, 79263, 132105, 149719, 237789, 396315, 449157, 748595, 1188945, 1347471, 2245785, 4042413, 6737355, 20212065]

約数ペア:

[(1, 20212065), (3, 6737355), (5, 4042413), (9, 2245785), (15, 1347471), (17, 1188945), (27, 748595), (45, 449157), (51, 396315), (85, 237789), (135, 149719), (153, 132105), (255, 79263), (459, 44035), (765, 26421), (2295, 8807)]