20886480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29009}}^1$

素因数の和:29028

約数の個数: 60

約数和(自身を含む): 70146180

約数和(自身を除く): 49259700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29009, 58018, 87027, 116036, 145045, 174054, 232072, 261081, 290090, 348108, 435135, 464144, 522162, 580180, 696216, 870270, 1044324, 1160360, 1305405, 1392432, 1740540, 2088648, 2320720, 2610810, 3481080, 4177296, 5221620, 6962160, 10443240, 20886480]

約数ペア:

[(1, 20886480), (2, 10443240), (3, 6962160), (4, 5221620), (5, 4177296), (6, 3481080), (8, 2610810), (9, 2320720), (10, 2088648), (12, 1740540), (15, 1392432), (16, 1305405), (18, 1160360), (20, 1044324), (24, 870270), (30, 696216), (36, 580180), (40, 522162), (45, 464144), (48, 435135), (60, 348108), (72, 290090), (80, 261081), (90, 232072), (120, 174054), (144, 145045), (180, 116036), (240, 87027), (360, 58018), (720, 29009)]