20439549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1801}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 32140472

約数和(自身を除く): 11700923

約数列:

[1, 3, 9, 13, 39, 97, 117, 291, 873, 1261, 1801, 3783, 5403, 11349, 16209, 23413, 70239, 174697, 210717, 524091, 1572273, 2271061, 6813183, 20439549]

約数ペア:

[(1, 20439549), (3, 6813183), (9, 2271061), (13, 1572273), (39, 524091), (97, 210717), (117, 174697), (291, 70239), (873, 23413), (1261, 16209), (1801, 11349), (3783, 5403)]