20466315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15683}}^1$

素因数の和:15723

約数の個数: 24

約数和(自身を含む): 36700560

約数和(自身を除く): 16234245

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15683, 47049, 78415, 141147, 235245, 454807, 705735, 1364421, 2274035, 4093263, 6822105, 20466315]

約数ペア:

[(1, 20466315), (3, 6822105), (5, 4093263), (9, 2274035), (15, 1364421), (29, 705735), (45, 454807), (87, 235245), (145, 141147), (261, 78415), (435, 47049), (1305, 15683)]