20563837

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 24296832

約数和(自身を除く): 3732995

約数列:

[1, 7, 41, 137, 287, 523, 959, 3661, 5617, 21443, 39319, 71651, 150101, 501557, 2937691, 20563837]

約数ペア:

[(1, 20563837), (7, 2937691), (41, 501557), (137, 150101), (287, 71651), (523, 39319), (959, 21443), (3661, 5617)]