20702331

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{349}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 33320000

約数和(自身を除く): 12617669

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 349, 351, 507, 1047, 1521, 2197, 3141, 4537, 4563, 6591, 9423, 13611, 19773, 40833, 58981, 59319, 122499, 176943, 530829, 766753, 1592487, 2300259, 6900777, 20702331]

約数ペア:

[(1, 20702331), (3, 6900777), (9, 2300259), (13, 1592487), (27, 766753), (39, 530829), (117, 176943), (169, 122499), (349, 59319), (351, 58981), (507, 40833), (1047, 19773), (1521, 13611), (2197, 9423), (3141, 6591), (4537, 4563)]