20650929

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 33364800

約数和(自身を除く): 12713871

約数列:

[1, 3, 13, 19, 29, 31, 39, 57, 87, 93, 247, 377, 403, 551, 589, 741, 899, 961, 1131, 1209, 1653, 1767, 2697, 2883, 7163, 7657, 11687, 12493, 17081, 18259, 21489, 22971, 27869, 35061, 37479, 51243, 54777, 83607, 222053, 237367, 362297, 529511, 666159, 712101, 1086891, 1588533, 6883643, 20650929]

約数ペア:

[(1, 20650929), (3, 6883643), (13, 1588533), (19, 1086891), (29, 712101), (31, 666159), (39, 529511), (57, 362297), (87, 237367), (93, 222053), (247, 83607), (377, 54777), (403, 51243), (551, 37479), (589, 35061), (741, 27869), (899, 22971), (961, 21489), (1131, 18259), (1209, 17081), (1653, 12493), (1767, 11687), (2697, 7657), (2883, 7163)]