20761923

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 34675200

約数和(自身を除く): 13913277

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1239, 1289, 2301, 3867, 5369, 9023, 16107, 16757, 27069, 50271, 76051, 117299, 228153, 351897, 532357, 988663, 1597071, 2965989, 6920641, 20761923]

約数ペア:

[(1, 20761923), (3, 6920641), (7, 2965989), (13, 1597071), (21, 988663), (39, 532357), (59, 351897), (91, 228153), (177, 117299), (273, 76051), (413, 50271), (767, 27069), (1239, 16757), (1289, 16107), (2301, 9023), (3867, 5369)]