20733426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2789}}^1$

素因数の和:2863

約数の個数: 48

約数和(自身を含む): 52228800

約数和(自身を除く): 31495374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2789, 3717, 5578, 7434, 8367, 16734, 19523, 25101, 39046, 50202, 58569, 117138, 164551, 175707, 329102, 351414, 493653, 987306, 1151857, 1480959, 2303714, 2961918, 3455571, 6911142, 10366713, 20733426]

約数ペア:

[(1, 20733426), (2, 10366713), (3, 6911142), (6, 3455571), (7, 2961918), (9, 2303714), (14, 1480959), (18, 1151857), (21, 987306), (42, 493653), (59, 351414), (63, 329102), (118, 175707), (126, 164551), (177, 117138), (354, 58569), (413, 50202), (531, 39046), (826, 25101), (1062, 19523), (1239, 16734), (2478, 8367), (2789, 7434), (3717, 5578)]