20686614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 46801152

約数和(自身を除く): 26114538

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 169, 299, 338, 507, 598, 887, 897, 1014, 1774, 1794, 2661, 3887, 5322, 7774, 11531, 11661, 20401, 23062, 23322, 34593, 40802, 61203, 69186, 122406, 149903, 265213, 299806, 449709, 530426, 795639, 899418, 1591278, 3447769, 6895538, 10343307, 20686614]

約数ペア:

[(1, 20686614), (2, 10343307), (3, 6895538), (6, 3447769), (13, 1591278), (23, 899418), (26, 795639), (39, 530426), (46, 449709), (69, 299806), (78, 265213), (138, 149903), (169, 122406), (299, 69186), (338, 61203), (507, 40802), (598, 34593), (887, 23322), (897, 23062), (1014, 20401), (1774, 11661), (1794, 11531), (2661, 7774), (3887, 5322)]