20186960

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1511}}^1$

素因数の和:1691

約数の個数: 40

約数和(自身を含む): 47246976

約数和(自身を除く): 27060016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1511, 1670, 2672, 3022, 3340, 6044, 6680, 7555, 12088, 13360, 15110, 24176, 30220, 60440, 120880, 252337, 504674, 1009348, 1261685, 2018696, 2523370, 4037392, 5046740, 10093480, 20186960]

約数ペア:

[(1, 20186960), (2, 10093480), (4, 5046740), (5, 4037392), (8, 2523370), (10, 2018696), (16, 1261685), (20, 1009348), (40, 504674), (80, 252337), (167, 120880), (334, 60440), (668, 30220), (835, 24176), (1336, 15110), (1511, 13360), (1670, 12088), (2672, 7555), (3022, 6680), (3340, 6044)]