20777337

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2402

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15165063

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2339, 2961, 7017, 8883, 16373, 21051, 49119, 63153, 109933, 147357, 329799, 442071, 769531, 989397, 2308593, 2968191, 6925779, 20777337]

約数ペア:

[(1, 20777337), (3, 6925779), (7, 2968191), (9, 2308593), (21, 989397), (27, 769531), (47, 442071), (63, 329799), (141, 147357), (189, 109933), (329, 63153), (423, 49119), (987, 21051), (1269, 16373), (2339, 8883), (2961, 7017)]