220024540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647131}}^1$

素因数の和:647157

約数の個数: 24

約数和(自身を含む): 489231792

約数和(自身を除く): 269207252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 647131, 1294262, 2588524, 3235655, 6471310, 11001227, 12942620, 22002454, 44004908, 55006135, 110012270, 220024540]

約数ペア:

[(1, 220024540), (2, 110012270), (4, 55006135), (5, 44004908), (10, 22002454), (17, 12942620), (20, 11001227), (34, 6471310), (68, 3235655), (85, 2588524), (170, 1294262), (340, 647131)]