20543085

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1$

素因数の和:8042

約数の個数: 32

約数和(自身を含む): 38448000

約数和(自身を除く): 17904915

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8009, 24027, 40045, 72081, 120135, 152171, 216243, 360405, 456513, 760855, 1081215, 1369539, 2282565, 4108617, 6847695, 20543085]

約数ペア:

[(1, 20543085), (3, 6847695), (5, 4108617), (9, 2282565), (15, 1369539), (19, 1081215), (27, 760855), (45, 456513), (57, 360405), (95, 216243), (135, 152171), (171, 120135), (285, 72081), (513, 40045), (855, 24027), (2565, 8009)]