20343471

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 30566400

約数和(自身を除く): 10222929

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 397, 551, 589, 899, 1191, 1653, 1767, 2697, 7543, 11513, 12307, 17081, 22629, 34539, 36921, 51243, 218747, 233833, 356903, 656241, 701499, 1070709, 6781157, 20343471]

約数ペア:

[(1, 20343471), (3, 6781157), (19, 1070709), (29, 701499), (31, 656241), (57, 356903), (87, 233833), (93, 218747), (397, 51243), (551, 36921), (589, 34539), (899, 22629), (1191, 17081), (1653, 12307), (1767, 11513), (2697, 7543)]