20214424

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 40220640

約数和(自身を除く): 20006216

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1801, 2806, 3602, 5612, 7204, 11224, 14408, 41423, 82846, 109861, 165692, 219722, 331384, 439444, 878888, 2526803, 5053606, 10107212, 20214424]

約数ペア:

[(1, 20214424), (2, 10107212), (4, 5053606), (8, 2526803), (23, 878888), (46, 439444), (61, 331384), (92, 219722), (122, 165692), (184, 109861), (244, 82846), (488, 41423), (1403, 14408), (1801, 11224), (2806, 7204), (3602, 5612)]