20158906485

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{187883}}^1$

素因数の和:188225

約数の個数: 32

約数和(自身を含む): 33765009408

約数和(自身を除く): 13606102923

約数列:

[1, 3, 5, 15, 23, 69, 115, 311, 345, 933, 1555, 4665, 7153, 21459, 35765, 107295, 187883, 563649, 939415, 2818245, 4321309, 12963927, 21606545, 58431613, 64819635, 175294839, 292158065, 876474195, 1343927099, 4031781297, 6719635495, 20158906485]

約数ペア:

[(1, 20158906485), (3, 6719635495), (5, 4031781297), (15, 1343927099), (23, 876474195), (69, 292158065), (115, 175294839), (311, 64819635), (345, 58431613), (933, 21606545), (1555, 12963927), (4665, 4321309), (7153, 2818245), (21459, 939415), (35765, 563649), (107295, 187883)]