20335815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15583}}^1$

素因数の和:15623

約数の個数: 24

約数和(自身を含む): 36466560

約数和(自身を除く): 16130745

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15583, 46749, 77915, 140247, 233745, 451907, 701235, 1355721, 2259535, 4067163, 6778605, 20335815]

約数ペア:

[(1, 20335815), (3, 6778605), (5, 4067163), (9, 2259535), (15, 1355721), (29, 701235), (45, 451907), (87, 233745), (145, 140247), (261, 77915), (435, 46749), (1305, 15583)]