20007854488

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67594103}}^1$

素因数の和:67594146

約数の個数: 16

約数和(自身を含む): 38528639280

約数和(自身を除く): 18520784792

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67594103, 135188206, 270376412, 540752824, 2500981811, 5001963622, 10003927244, 20007854488]

約数ペア:

[(1, 20007854488), (2, 10003927244), (4, 5001963622), (8, 2500981811), (37, 540752824), (74, 270376412), (148, 135188206), (296, 67594103)]