20047530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1361}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 48247488

約数和(自身を除く): 28199958

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 491, 982, 1361, 1473, 2455, 2722, 2946, 4083, 4910, 6805, 7365, 8166, 13610, 14730, 20415, 40830, 668251, 1336502, 2004753, 3341255, 4009506, 6682510, 10023765, 20047530]

約数ペア:

[(1, 20047530), (2, 10023765), (3, 6682510), (5, 4009506), (6, 3341255), (10, 2004753), (15, 1336502), (30, 668251), (491, 40830), (982, 20415), (1361, 14730), (1473, 13610), (2455, 8166), (2722, 7365), (2946, 6805), (4083, 4910)]