20606200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 48244680

約数和(自身を除く): 27638480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 523, 788, 985, 1046, 1576, 1970, 2092, 2615, 3940, 4184, 4925, 5230, 7880, 9850, 10460, 13075, 19700, 20920, 26150, 39400, 52300, 103031, 104600, 206062, 412124, 515155, 824248, 1030310, 2060620, 2575775, 4121240, 5151550, 10303100, 20606200]

約数ペア:

[(1, 20606200), (2, 10303100), (4, 5151550), (5, 4121240), (8, 2575775), (10, 2060620), (20, 1030310), (25, 824248), (40, 515155), (50, 412124), (100, 206062), (197, 104600), (200, 103031), (394, 52300), (523, 39400), (788, 26150), (985, 20920), (1046, 19700), (1576, 13075), (1970, 10460), (2092, 9850), (2615, 7880), (3940, 5230), (4184, 4925)]