20486514

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2801}}^1$

素因数の和:2882

約数の個数: 32

約数和(自身を含む): 43576704

約数和(自身を除く): 23090190

約数列:

[1, 2, 3, 6, 23, 46, 53, 69, 106, 138, 159, 318, 1219, 2438, 2801, 3657, 5602, 7314, 8403, 16806, 64423, 128846, 148453, 193269, 296906, 386538, 445359, 890718, 3414419, 6828838, 10243257, 20486514]

約数ペア:

[(1, 20486514), (2, 10243257), (3, 6828838), (6, 3414419), (23, 890718), (46, 445359), (53, 386538), (69, 296906), (106, 193269), (138, 148453), (159, 128846), (318, 64423), (1219, 16806), (2438, 8403), (2801, 7314), (3657, 5602)]