20264715

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4057}}^1$

素因数の和:4108

約数の個数: 32

約数和(自身を含む): 37008960

約数和(自身を除く): 16744245

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4057, 4995, 12171, 20285, 36513, 60855, 109539, 150109, 182565, 450327, 547695, 750545, 1350981, 2251635, 4052943, 6754905, 20264715]

約数ペア:

[(1, 20264715), (3, 6754905), (5, 4052943), (9, 2251635), (15, 1350981), (27, 750545), (37, 547695), (45, 450327), (111, 182565), (135, 150109), (185, 109539), (333, 60855), (555, 36513), (999, 20285), (1665, 12171), (4057, 4995)]