200786020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{244861}}^1$

素因数の和:244911

約数の個数: 24

約数和(自身を含む): 431936568

約数和(自身を除く): 231150548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 244861, 489722, 979444, 1224305, 2448610, 4897220, 10039301, 20078602, 40157204, 50196505, 100393010, 200786020]

約数ペア:

[(1, 200786020), (2, 100393010), (4, 50196505), (5, 40157204), (10, 20078602), (20, 10039301), (41, 4897220), (82, 2448610), (164, 1224305), (205, 979444), (410, 489722), (820, 244861)]