201360020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245561}}^1$

素因数の和:245611

約数の個数: 24

約数和(自身を含む): 433171368

約数和(自身を除く): 231811348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245561, 491122, 982244, 1227805, 2455610, 4911220, 10068001, 20136002, 40272004, 50340005, 100680010, 201360020]

約数ペア:

[(1, 201360020), (2, 100680010), (4, 50340005), (5, 40272004), (10, 20136002), (20, 10068001), (41, 4911220), (82, 2455610), (164, 1227805), (205, 982244), (410, 491122), (820, 245561)]