20534445

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4111}}^1$

素因数の和:4162

約数の個数: 32

約数和(自身を含む): 37501440

約数和(自身を除く): 16966995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4111, 4995, 12333, 20555, 36999, 61665, 110997, 152107, 184995, 456321, 554985, 760535, 1368963, 2281605, 4106889, 6844815, 20534445]

約数ペア:

[(1, 20534445), (3, 6844815), (5, 4106889), (9, 2281605), (15, 1368963), (27, 760535), (37, 554985), (45, 456321), (111, 184995), (135, 152107), (185, 110997), (333, 61665), (555, 36999), (999, 20555), (1665, 12333), (4111, 4995)]