20223988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 36578304

約数和(自身を除く): 16354316

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 971, 1942, 3884, 5207, 10414, 20828, 39811, 79622, 123317, 159244, 246634, 493268, 5055997, 10111994, 20223988]

約数ペア:

[(1, 20223988), (2, 10111994), (4, 5055997), (41, 493268), (82, 246634), (127, 159244), (164, 123317), (254, 79622), (508, 39811), (971, 20828), (1942, 10414), (3884, 5207)]