20473227

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 30624048

約数和(自身を除く): 10150821

約数列:

[1, 3, 9, 41, 113, 123, 339, 369, 491, 1017, 1473, 4419, 4633, 13899, 20131, 41697, 55483, 60393, 166449, 181179, 499347, 2274803, 6824409, 20473227]

約数ペア:

[(1, 20473227), (3, 6824409), (9, 2274803), (41, 499347), (113, 181179), (123, 166449), (339, 60393), (369, 55483), (491, 41697), (1017, 20131), (1473, 13899), (4419, 4633)]