20681710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6871}}^1$

素因数の和:6928

約数の個数: 32

約数和(自身を含む): 43540992

約数和(自身を除く): 22859282

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6871, 13742, 34355, 48097, 68710, 96194, 240485, 295453, 480970, 590906, 1477265, 2068171, 2954530, 4136342, 10340855, 20681710]

約数ペア:

[(1, 20681710), (2, 10340855), (5, 4136342), (7, 2954530), (10, 2068171), (14, 1477265), (35, 590906), (43, 480970), (70, 295453), (86, 240485), (215, 96194), (301, 68710), (430, 48097), (602, 34355), (1505, 13742), (3010, 6871)]