20472903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{911}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 32438016

約数和(自身を除く): 11965113

約数列:

[1, 3, 9, 11, 33, 99, 227, 681, 911, 2043, 2497, 2733, 7491, 8199, 10021, 22473, 30063, 90189, 206797, 620391, 1861173, 2274767, 6824301, 20472903]

約数ペア:

[(1, 20472903), (3, 6824301), (9, 2274767), (11, 1861173), (33, 620391), (99, 206797), (227, 90189), (681, 30063), (911, 22473), (2043, 10021), (2497, 8199), (2733, 7491)]