11900620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 14045300

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 109, 206, 212, 218, 265, 412, 436, 515, 530, 545, 1030, 1060, 1090, 2060, 2180, 5459, 5777, 10918, 11227, 11554, 21836, 22454, 23108, 27295, 28885, 44908, 54590, 56135, 57770, 109180, 112270, 115540, 224540, 595031, 1190062, 2380124, 2975155, 5950310, 11900620]

約数ペア:

[(1, 11900620), (2, 5950310), (4, 2975155), (5, 2380124), (10, 1190062), (20, 595031), (53, 224540), (103, 115540), (106, 112270), (109, 109180), (206, 57770), (212, 56135), (218, 54590), (265, 44908), (412, 28885), (436, 27295), (515, 23108), (530, 22454), (545, 21836), (1030, 11554), (1060, 11227), (1090, 10918), (2060, 5777), (2180, 5459)]