12027820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 29429568

約数和(自身を除く): 17401748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1621, 1855, 3242, 3710, 6484, 7420, 8105, 11347, 16210, 22694, 32420, 45388, 56735, 85913, 113470, 171826, 226940, 343652, 429565, 601391, 859130, 1202782, 1718260, 2405564, 3006955, 6013910, 12027820]

約数ペア:

[(1, 12027820), (2, 6013910), (4, 3006955), (5, 2405564), (7, 1718260), (10, 1202782), (14, 859130), (20, 601391), (28, 429565), (35, 343652), (53, 226940), (70, 171826), (106, 113470), (140, 85913), (212, 56735), (265, 45388), (371, 32420), (530, 22694), (742, 16210), (1060, 11347), (1484, 8105), (1621, 7420), (1855, 6484), (3242, 3710)]