20472885

素因数分解:

$3^3\times 5^1\times {\mathrm{151651}}^1$

素因数の和:151665

約数の個数: 16

約数和(自身を含む): 36396480

約数和(自身を除く): 15923595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151651, 454953, 758255, 1364859, 2274765, 4094577, 6824295, 20472885]

約数ペア:

[(1, 20472885), (3, 6824295), (5, 4094577), (9, 2274765), (15, 1364859), (27, 758255), (45, 454953), (135, 151651)]