20261691

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31464000

約数和(自身を除く): 11202309

約数列:

[1, 3, 9, 27, 29, 87, 113, 229, 261, 339, 687, 783, 1017, 2061, 3051, 3277, 6183, 6641, 9831, 19923, 25877, 29493, 59769, 77631, 88479, 179307, 232893, 698679, 750433, 2251299, 6753897, 20261691]

約数ペア:

[(1, 20261691), (3, 6753897), (9, 2251299), (27, 750433), (29, 698679), (87, 232893), (113, 179307), (229, 88479), (261, 77631), (339, 59769), (687, 29493), (783, 25877), (1017, 19923), (2061, 9831), (3051, 6641), (3277, 6183)]