20089790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 41722560

約数和(自身を除く): 21632770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2633, 3815, 5266, 7630, 13165, 18431, 26330, 36862, 92155, 184310, 286997, 573994, 1434985, 2008979, 2869970, 4017958, 10044895, 20089790]

約数ペア:

[(1, 20089790), (2, 10044895), (5, 4017958), (7, 2869970), (10, 2008979), (14, 1434985), (35, 573994), (70, 286997), (109, 184310), (218, 92155), (545, 36862), (763, 26330), (1090, 18431), (1526, 13165), (2633, 7630), (3815, 5266)]