20315043

素因数分解:

$3^7\times 7^1\times {\mathrm{1327}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 34846720

約数和(自身を除く): 14531677

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1327, 1701, 2187, 3981, 5103, 9289, 11943, 15309, 27867, 35829, 83601, 107487, 250803, 322461, 752409, 967383, 2257227, 2902149, 6771681, 20315043]

約数ペア:

[(1, 20315043), (3, 6771681), (7, 2902149), (9, 2257227), (21, 967383), (27, 752409), (63, 322461), (81, 250803), (189, 107487), (243, 83601), (567, 35829), (729, 27867), (1327, 15309), (1701, 11943), (2187, 9289), (3981, 5103)]