20580813

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{463}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 32572800

約数和(自身を除く): 11991987

約数列:

[1, 3, 9, 11, 33, 99, 449, 463, 1347, 1389, 4041, 4167, 4939, 5093, 14817, 15279, 44451, 45837, 207887, 623661, 1870983, 2286757, 6860271, 20580813]

約数ペア:

[(1, 20580813), (3, 6860271), (9, 2286757), (11, 1870983), (33, 623661), (99, 207887), (449, 45837), (463, 44451), (1347, 15279), (1389, 14817), (4041, 5093), (4167, 4939)]