20434605

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13434195

約数列:

[1, 3, 5, 15, 41, 123, 149, 205, 223, 447, 615, 669, 745, 1115, 2235, 3345, 6109, 9143, 18327, 27429, 30545, 33227, 45715, 91635, 99681, 137145, 166135, 498405, 1362307, 4086921, 6811535, 20434605]

約数ペア:

[(1, 20434605), (3, 6811535), (5, 4086921), (15, 1362307), (41, 498405), (123, 166135), (149, 137145), (205, 99681), (223, 91635), (447, 45715), (615, 33227), (669, 30545), (745, 27429), (1115, 18327), (2235, 9143), (3345, 6109)]