20475735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11471}}^1$

素因数の和:11503

約数の個数: 32

約数和(自身を含む): 39647232

約数和(自身を除く): 19171497

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11471, 34413, 57355, 80297, 172065, 195007, 240891, 401485, 585021, 975035, 1204455, 1365049, 2925105, 4095147, 6825245, 20475735]

約数ペア:

[(1, 20475735), (3, 6825245), (5, 4095147), (7, 2925105), (15, 1365049), (17, 1204455), (21, 975035), (35, 585021), (51, 401485), (85, 240891), (105, 195007), (119, 172065), (255, 80297), (357, 57355), (595, 34413), (1785, 11471)]