20869982

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12527}}^1$

素因数の和:12560

約数の個数: 24

約数和(自身を含む): 38561184

約数和(自身を除く): 17691202

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12527, 25054, 87689, 175378, 212959, 425918, 613823, 1227646, 1490713, 2981426, 10434991, 20869982]

約数ペア:

[(1, 20869982), (2, 10434991), (7, 2981426), (14, 1490713), (17, 1227646), (34, 613823), (49, 425918), (98, 212959), (119, 175378), (238, 87689), (833, 25054), (1666, 12527)]