201987740

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{9257}}^1$

素因数の和:10357

約数の個数: 24

約数和(自身を含む): 424608912

約数和(自身を除く): 222621172

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 9257, 10910, 18514, 21820, 37028, 46285, 92570, 185140, 10099387, 20198774, 40397548, 50496935, 100993870, 201987740]

約数ペア:

[(1, 201987740), (2, 100993870), (4, 50496935), (5, 40397548), (10, 20198774), (20, 10099387), (1091, 185140), (2182, 92570), (4364, 46285), (5455, 37028), (9257, 21820), (10910, 18514)]