20002570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7723}}^1$

素因数の和:7774

約数の個数: 32

約数和(自身を含む): 42265728

約数和(自身を除く): 22263158

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7723, 15446, 38615, 54061, 77230, 108122, 270305, 285751, 540610, 571502, 1428755, 2000257, 2857510, 4000514, 10001285, 20002570]

約数ペア:

[(1, 20002570), (2, 10001285), (5, 4000514), (7, 2857510), (10, 2000257), (14, 1428755), (35, 571502), (37, 540610), (70, 285751), (74, 270305), (185, 108122), (259, 77230), (370, 54061), (518, 38615), (1295, 15446), (2590, 7723)]