20852505

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1861}}^1$

素因数の和:1958

約数の個数: 32

約数和(自身を含む): 37537920

約数和(自身を除く): 16685415

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1861, 2241, 3735, 5583, 9305, 11205, 16749, 27915, 50247, 83745, 154463, 251235, 463389, 772315, 1390167, 2316945, 4170501, 6950835, 20852505]

約数ペア:

[(1, 20852505), (3, 6950835), (5, 4170501), (9, 2316945), (15, 1390167), (27, 772315), (45, 463389), (83, 251235), (135, 154463), (249, 83745), (415, 50247), (747, 27915), (1245, 16749), (1861, 11205), (2241, 9305), (3735, 5583)]