20917584

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{5009}}^1$

素因数の和:5052

約数の個数: 60

約数和(自身を含む): 60570900

約数和(自身を除く): 39653316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 5009, 10018, 15027, 20036, 30054, 40072, 45081, 60108, 80144, 90162, 120216, 145261, 180324, 240432, 290522, 360648, 435783, 581044, 721296, 871566, 1162088, 1307349, 1743132, 2324176, 2614698, 3486264, 5229396, 6972528, 10458792, 20917584]

約数ペア:

[(1, 20917584), (2, 10458792), (3, 6972528), (4, 5229396), (6, 3486264), (8, 2614698), (9, 2324176), (12, 1743132), (16, 1307349), (18, 1162088), (24, 871566), (29, 721296), (36, 581044), (48, 435783), (58, 360648), (72, 290522), (87, 240432), (116, 180324), (144, 145261), (174, 120216), (232, 90162), (261, 80144), (348, 60108), (464, 45081), (522, 40072), (696, 30054), (1044, 20036), (1392, 15027), (2088, 10018), (4176, 5009)]