204396980

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{27847}}^1$

素因数の和:28223

約数の個数: 24

約数和(自身を含む): 430418688

約数和(自身を除く): 226021708

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 27847, 55694, 111388, 139235, 278470, 556940, 10219849, 20439698, 40879396, 51099245, 102198490, 204396980]

約数ペア:

[(1, 204396980), (2, 102198490), (4, 51099245), (5, 40879396), (10, 20439698), (20, 10219849), (367, 556940), (734, 278470), (1468, 139235), (1835, 111388), (3670, 55694), (7340, 27847)]