20193812735

素因数分解:

$5^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1\times {\mathrm{20641}}^1$

素因数の和:21538

約数の個数: 16

約数和(自身を含む): 24344349120

約数和(自身を除く): 4150536385

約数列:

[1, 5, 389, 503, 1945, 2515, 20641, 103205, 195667, 978335, 8029349, 10382423, 40146745, 51912115, 4038762547, 20193812735]

約数ペア:

[(1, 20193812735), (5, 4038762547), (389, 51912115), (503, 40146745), (1945, 10382423), (2515, 8029349), (20641, 978335), (103205, 195667)]