206522740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251857}}^1$

素因数の和:251907

約数の個数: 24

約数和(自身を含む): 444277512

約数和(自身を除く): 237754772

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 251857, 503714, 1007428, 1259285, 2518570, 5037140, 10326137, 20652274, 41304548, 51630685, 103261370, 206522740]

約数ペア:

[(1, 206522740), (2, 103261370), (4, 51630685), (5, 41304548), (10, 20652274), (20, 10326137), (41, 5037140), (82, 2518570), (164, 1259285), (205, 1007428), (410, 503714), (820, 251857)]