20173280

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 48489840

約数和(自身を除く): 28316560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2137, 2360, 4274, 4720, 8548, 9440, 10685, 17096, 21370, 34192, 42740, 68384, 85480, 126083, 170960, 252166, 341920, 504332, 630415, 1008664, 1260830, 2017328, 2521660, 4034656, 5043320, 10086640, 20173280]

約数ペア:

[(1, 20173280), (2, 10086640), (4, 5043320), (5, 4034656), (8, 2521660), (10, 2017328), (16, 1260830), (20, 1008664), (32, 630415), (40, 504332), (59, 341920), (80, 252166), (118, 170960), (160, 126083), (236, 85480), (295, 68384), (472, 42740), (590, 34192), (944, 21370), (1180, 17096), (1888, 10685), (2137, 9440), (2360, 8548), (4274, 4720)]