20504673

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1201}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 34002176

約数和(自身を除く): 13497503

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1201, 1897, 2439, 3603, 5691, 8407, 10809, 17073, 25221, 75663, 325471, 976413, 2278297, 2929239, 6834891, 20504673]

約数ペア:

[(1, 20504673), (3, 6834891), (7, 2929239), (9, 2278297), (21, 976413), (63, 325471), (271, 75663), (813, 25221), (1201, 17073), (1897, 10809), (2439, 8407), (3603, 5691)]