20331850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5281}}^1$

素因数の和:5311

約数の個数: 48

約数和(自身を含む): 47157696

約数和(自身を除く): 26825846

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 5281, 10562, 26405, 36967, 52810, 58091, 73934, 116182, 132025, 184835, 264050, 290455, 369670, 406637, 580910, 813274, 924175, 1452275, 1848350, 2033185, 2904550, 4066370, 10165925, 20331850]

約数ペア:

[(1, 20331850), (2, 10165925), (5, 4066370), (7, 2904550), (10, 2033185), (11, 1848350), (14, 1452275), (22, 924175), (25, 813274), (35, 580910), (50, 406637), (55, 369670), (70, 290455), (77, 264050), (110, 184835), (154, 132025), (175, 116182), (275, 73934), (350, 58091), (385, 52810), (550, 36967), (770, 26405), (1925, 10562), (3850, 5281)]