20169945

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 16377255

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2819, 7155, 8457, 14095, 25371, 42285, 76113, 126855, 149407, 380565, 448221, 747035, 1344663, 2241105, 4033989, 6723315, 20169945]

約数ペア:

[(1, 20169945), (3, 6723315), (5, 4033989), (9, 2241105), (15, 1344663), (27, 747035), (45, 448221), (53, 380565), (135, 149407), (159, 126855), (265, 76113), (477, 42285), (795, 25371), (1431, 14095), (2385, 8457), (2819, 7155)]