20874627

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 10462653

約数列:

[1, 3, 9, 47, 61, 141, 183, 423, 549, 809, 2427, 2867, 7281, 8601, 25803, 38023, 49349, 114069, 148047, 342207, 444141, 2319403, 6958209, 20874627]

約数ペア:

[(1, 20874627), (3, 6958209), (9, 2319403), (47, 444141), (61, 342207), (141, 148047), (183, 114069), (423, 49349), (549, 38023), (809, 25803), (2427, 8601), (2867, 7281)]