201906820

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{10333}}^1$

素因数の和:11319

約数の個数: 24

約数和(自身を含む): 424479384

約数和(自身を除く): 222572564

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 10333, 19540, 20666, 41332, 51665, 103330, 206660, 10095341, 20190682, 40381364, 50476705, 100953410, 201906820]

約数ペア:

[(1, 201906820), (2, 100953410), (4, 50476705), (5, 40381364), (10, 20190682), (20, 10095341), (977, 206660), (1954, 103330), (3908, 51665), (4885, 41332), (9770, 20666), (10333, 19540)]