20116075

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 28926720

約数和(自身を除く): 8810645

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1619, 1775, 2485, 8095, 11333, 12425, 40475, 56665, 114949, 283325, 574745, 804643, 2873725, 4023215, 20116075]

約数ペア:

[(1, 20116075), (5, 4023215), (7, 2873725), (25, 804643), (35, 574745), (71, 283325), (175, 114949), (355, 56665), (497, 40475), (1619, 12425), (1775, 11333), (2485, 8095)]