20016350

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1279}}^1$

素因数の和:1604

約数の個数: 24

約数和(自身を含む): 37378560

約数和(自身を除く): 17362210

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1279, 1565, 2558, 3130, 6395, 7825, 12790, 15650, 31975, 63950, 400327, 800654, 2001635, 4003270, 10008175, 20016350]

約数ペア:

[(1, 20016350), (2, 10008175), (5, 4003270), (10, 2001635), (25, 800654), (50, 400327), (313, 63950), (626, 31975), (1279, 15650), (1565, 12790), (2558, 7825), (3130, 6395)]