20372216

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{5003}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 38280600

約数和(自身を除く): 17908384

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 5003, 10006, 20012, 40024, 2546527, 5093054, 10186108, 20372216]

約数ペア:

[(1, 20372216), (2, 10186108), (4, 5093054), (8, 2546527), (509, 40024), (1018, 20012), (2036, 10006), (4072, 5003)]