20313165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28813}}^1$

素因数の和:28868

約数の個数: 16

約数和(自身を含む): 33193728

約数和(自身を除く): 12880563

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28813, 86439, 144065, 432195, 1354211, 4062633, 6771055, 20313165]

約数ペア:

[(1, 20313165), (3, 6771055), (5, 4062633), (15, 1354211), (47, 432195), (141, 144065), (235, 86439), (705, 28813)]