20552445

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15749}}^1$

素因数の和:15789

約数の個数: 24

約数和(自身を含む): 36855000

約数和(自身を除く): 16302555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15749, 47247, 78745, 141741, 236235, 456721, 708705, 1370163, 2283605, 4110489, 6850815, 20552445]

約数ペア:

[(1, 20552445), (3, 6850815), (5, 4110489), (9, 2283605), (15, 1370163), (29, 708705), (45, 456721), (87, 236235), (145, 141741), (261, 78745), (435, 47247), (1305, 15749)]