20781040010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{545291}}^1$

素因数の和:545438

約数の個数: 32

約数和(自身を含む): 38789891712

約数和(自身を除く): 18008851702

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 370, 515, 1030, 3811, 7622, 19055, 38110, 545291, 1090582, 2726455, 5452910, 20175767, 40351534, 56164973, 100878835, 112329946, 201757670, 280824865, 561649730, 2078104001, 4156208002, 10390520005, 20781040010]

約数ペア:

[(1, 20781040010), (2, 10390520005), (5, 4156208002), (10, 2078104001), (37, 561649730), (74, 280824865), (103, 201757670), (185, 112329946), (206, 100878835), (370, 56164973), (515, 40351534), (1030, 20175767), (3811, 5452910), (7622, 2726455), (19055, 1090582), (38110, 545291)]