20470615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7919}}^1$

素因数の和:7982

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 6900905

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7919, 39595, 87109, 372193, 435545, 1860965, 4094123, 20470615]

約数ペア:

[(1, 20470615), (5, 4094123), (11, 1860965), (47, 435545), (55, 372193), (235, 87109), (517, 39595), (2585, 7919)]