20356155

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1427}}^1$

素因数の和:1755

約数の個数: 24

約数和(自身を含む): 35420112

約数和(自身を除く): 15063957

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1427, 1585, 2853, 4281, 4755, 7135, 12843, 14265, 21405, 64215, 452359, 1357077, 2261795, 4071231, 6785385, 20356155]

約数ペア:

[(1, 20356155), (3, 6785385), (5, 4071231), (9, 2261795), (15, 1357077), (45, 452359), (317, 64215), (951, 21405), (1427, 14265), (1585, 12843), (2853, 7135), (4281, 4755)]