20449465

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 25256448

約数和(自身を除く): 4806983

約数列:

[1, 5, 47, 173, 235, 503, 865, 2515, 8131, 23641, 40655, 87019, 118205, 435095, 4089893, 20449465]

約数ペア:

[(1, 20449465), (5, 4089893), (47, 435095), (173, 118205), (235, 87019), (503, 40655), (865, 23641), (2515, 8131)]