20286513

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4229}}^1$

素因数の和:4289

約数の個数: 24

約数和(自身を含む): 32334120

約数和(自身を除く): 12047607

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4229, 4797, 12687, 38061, 54977, 164931, 173389, 494793, 520167, 1560501, 2254057, 6762171, 20286513]

約数ペア:

[(1, 20286513), (3, 6762171), (9, 2254057), (13, 1560501), (39, 520167), (41, 494793), (117, 173389), (123, 164931), (369, 54977), (533, 38061), (1599, 12687), (4229, 4797)]