20660200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9391}}^1$

素因数の和:9418

約数の個数: 48

約数和(自身を含む): 52407360

約数和(自身を除く): 31747160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9391, 18782, 37564, 46955, 75128, 93910, 103301, 187820, 206602, 234775, 375640, 413204, 469550, 516505, 826408, 939100, 1033010, 1878200, 2066020, 2582525, 4132040, 5165050, 10330100, 20660200]

約数ペア:

[(1, 20660200), (2, 10330100), (4, 5165050), (5, 4132040), (8, 2582525), (10, 2066020), (11, 1878200), (20, 1033010), (22, 939100), (25, 826408), (40, 516505), (44, 469550), (50, 413204), (55, 375640), (88, 234775), (100, 206602), (110, 187820), (200, 103301), (220, 93910), (275, 75128), (440, 46955), (550, 37564), (1100, 18782), (2200, 9391)]