20557770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6653}}^1$

素因数の和:6766

約数の個数: 32

約数和(自身を含む): 49825152

約数和(自身を除く): 29267382

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 6653, 13306, 19959, 33265, 39918, 66530, 99795, 199590, 685259, 1370518, 2055777, 3426295, 4111554, 6852590, 10278885, 20557770]

約数ペア:

[(1, 20557770), (2, 10278885), (3, 6852590), (5, 4111554), (6, 3426295), (10, 2055777), (15, 1370518), (30, 685259), (103, 199590), (206, 99795), (309, 66530), (515, 39918), (618, 33265), (1030, 19959), (1545, 13306), (3090, 6653)]