20873510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 23942170

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1039, 1435, 2009, 2078, 2870, 4018, 5195, 7273, 10045, 10390, 14546, 20090, 36365, 42599, 50911, 72730, 85198, 101822, 212995, 254555, 298193, 425990, 509110, 596386, 1490965, 2087351, 2981930, 4174702, 10436755, 20873510]

約数ペア:

[(1, 20873510), (2, 10436755), (5, 4174702), (7, 2981930), (10, 2087351), (14, 1490965), (35, 596386), (41, 509110), (49, 425990), (70, 298193), (82, 254555), (98, 212995), (205, 101822), (245, 85198), (287, 72730), (410, 50911), (490, 42599), (574, 36365), (1039, 20090), (1435, 14546), (2009, 10390), (2078, 10045), (2870, 7273), (4018, 5195)]