20109200

素因数分解:

$2^4\times 5^2\times {\mathrm{50273}}^1$

素因数の和:50291

約数の個数: 30

約数和(自身を含む): 48313314

約数和(自身を除く): 28204114

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50273, 100546, 201092, 251365, 402184, 502730, 804368, 1005460, 1256825, 2010920, 2513650, 4021840, 5027300, 10054600, 20109200]

約数ペア:

[(1, 20109200), (2, 10054600), (4, 5027300), (5, 4021840), (8, 2513650), (10, 2010920), (16, 1256825), (20, 1005460), (25, 804368), (40, 502730), (50, 402184), (80, 251365), (100, 201092), (200, 100546), (400, 50273)]