17272420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78511}}^1$

素因数の和:78531

約数の個数: 24

約数和(自身を含む): 39570048

約数和(自身を除く): 22297628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78511, 157022, 314044, 392555, 785110, 863621, 1570220, 1727242, 3454484, 4318105, 8636210, 17272420]

約数ペア:

[(1, 17272420), (2, 8636210), (4, 4318105), (5, 3454484), (10, 1727242), (11, 1570220), (20, 863621), (22, 785110), (44, 392555), (55, 314044), (110, 157022), (220, 78511)]