20499549

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 12643491

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 821, 861, 1189, 2463, 3567, 5747, 8323, 17241, 23809, 24969, 33661, 71427, 100983, 166663, 235627, 499989, 706881, 976169, 2928507, 6833183, 20499549]

約数ペア:

[(1, 20499549), (3, 6833183), (7, 2928507), (21, 976169), (29, 706881), (41, 499989), (87, 235627), (123, 166663), (203, 100983), (287, 71427), (609, 33661), (821, 24969), (861, 23809), (1189, 17241), (2463, 8323), (3567, 5747)]