20210640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84211}}^1$

素因数の和:84227

約数の個数: 40

約数和(自身を含む): 62653728

約数和(自身を除く): 42443088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84211, 168422, 252633, 336844, 421055, 505266, 673688, 842110, 1010532, 1263165, 1347376, 1684220, 2021064, 2526330, 3368440, 4042128, 5052660, 6736880, 10105320, 20210640]

約数ペア:

[(1, 20210640), (2, 10105320), (3, 6736880), (4, 5052660), (5, 4042128), (6, 3368440), (8, 2526330), (10, 2021064), (12, 1684220), (15, 1347376), (16, 1263165), (20, 1010532), (24, 842110), (30, 673688), (40, 505266), (48, 421055), (60, 336844), (80, 252633), (120, 168422), (240, 84211)]