20339514

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5151

約数の個数: 48

約数和(自身を含む): 50260392

約数和(自身を除く): 29920878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5113, 10226, 15339, 30678, 46017, 66469, 86921, 92034, 132938, 173842, 199407, 260763, 398814, 521526, 598221, 782289, 1129973, 1196442, 1564578, 2259946, 3389919, 6779838, 10169757, 20339514]

約数ペア:

[(1, 20339514), (2, 10169757), (3, 6779838), (6, 3389919), (9, 2259946), (13, 1564578), (17, 1196442), (18, 1129973), (26, 782289), (34, 598221), (39, 521526), (51, 398814), (78, 260763), (102, 199407), (117, 173842), (153, 132938), (221, 92034), (234, 86921), (306, 66469), (442, 46017), (663, 30678), (1326, 15339), (1989, 10226), (3978, 5113)]