204505220

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{16519}}^1$

素因数の和:17147

約数の個数: 24

約数和(自身を含む): 430180800

約数和(自身を除く): 225675580

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 16519, 33038, 66076, 82595, 165190, 330380, 10225261, 20450522, 40901044, 51126305, 102252610, 204505220]

約数ペア:

[(1, 204505220), (2, 102252610), (4, 51126305), (5, 40901044), (10, 20450522), (20, 10225261), (619, 330380), (1238, 165190), (2476, 82595), (3095, 66076), (6190, 33038), (12380, 16519)]