20634770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9337}}^1$

素因数の和:9374

約数の個数: 32

約数和(自身を含む): 42357168

約数和(自身を除く): 21722398

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9337, 18674, 46685, 93370, 121381, 158729, 242762, 317458, 606905, 793645, 1213810, 1587290, 2063477, 4126954, 10317385, 20634770]

約数ペア:

[(1, 20634770), (2, 10317385), (5, 4126954), (10, 2063477), (13, 1587290), (17, 1213810), (26, 793645), (34, 606905), (65, 317458), (85, 242762), (130, 158729), (170, 121381), (221, 93370), (442, 46685), (1105, 18674), (2210, 9337)]