20913720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174281}}^1$

素因数の和:174295

約数の個数: 32

約数和(自身を含む): 62741520

約数和(自身を除く): 41827800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174281, 348562, 522843, 697124, 871405, 1045686, 1394248, 1742810, 2091372, 2614215, 3485620, 4182744, 5228430, 6971240, 10456860, 20913720]

約数ペア:

[(1, 20913720), (2, 10456860), (3, 6971240), (4, 5228430), (5, 4182744), (6, 3485620), (8, 2614215), (10, 2091372), (12, 1742810), (15, 1394248), (20, 1045686), (24, 871405), (30, 697124), (40, 522843), (60, 348562), (120, 174281)]