20206740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1097}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 56814912

約数和(自身を除く): 36608172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 921, 1097, 1228, 1535, 1842, 2194, 3070, 3291, 3684, 4388, 4605, 5485, 6140, 6582, 9210, 10970, 13164, 16455, 18420, 21940, 32910, 65820, 336779, 673558, 1010337, 1347116, 1683895, 2020674, 3367790, 4041348, 5051685, 6735580, 10103370, 20206740]

約数ペア:

[(1, 20206740), (2, 10103370), (3, 6735580), (4, 5051685), (5, 4041348), (6, 3367790), (10, 2020674), (12, 1683895), (15, 1347116), (20, 1010337), (30, 673558), (60, 336779), (307, 65820), (614, 32910), (921, 21940), (1097, 18420), (1228, 16455), (1535, 13164), (1842, 10970), (2194, 9210), (3070, 6582), (3291, 6140), (3684, 5485), (4388, 4605)]