20969820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38833}}^1$

素因数の和:38851

約数の個数: 48

約数和(自身を含む): 65241120

約数和(自身を除く): 44271300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38833, 77666, 116499, 155332, 194165, 232998, 349497, 388330, 465996, 582495, 698994, 776660, 1048491, 1164990, 1397988, 1747485, 2096982, 2329980, 3494970, 4193964, 5242455, 6989940, 10484910, 20969820]

約数ペア:

[(1, 20969820), (2, 10484910), (3, 6989940), (4, 5242455), (5, 4193964), (6, 3494970), (9, 2329980), (10, 2096982), (12, 1747485), (15, 1397988), (18, 1164990), (20, 1048491), (27, 776660), (30, 698994), (36, 582495), (45, 465996), (54, 388330), (60, 349497), (90, 232998), (108, 194165), (135, 155332), (180, 116499), (270, 77666), (540, 38833)]