20163120905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{949523}}^1$

素因数の和:949696

約数の個数: 16

約数和(自身を含む): 25158587904

約数和(自身を除く): 4995466999

約数列:

[1, 5, 31, 137, 155, 685, 4247, 21235, 949523, 4747615, 29435213, 130084651, 147176065, 650423255, 4032624181, 20163120905]

約数ペア:

[(1, 20163120905), (5, 4032624181), (31, 650423255), (137, 147176065), (155, 130084651), (685, 29435213), (4247, 4747615), (21235, 949523)]