20809792325

素因数分解:

$5^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{156259}}^1$

素因数の和:157037

約数の個数: 24

約数和(自身を含む): 29529389760

約数和(自身を除く): 8719597435

約数列:

[1, 5, 7, 25, 35, 175, 761, 3805, 5327, 19025, 26635, 133175, 156259, 781295, 1093813, 3906475, 5469065, 27345325, 118913099, 594565495, 832391693, 2972827475, 4161958465, 20809792325]

約数ペア:

[(1, 20809792325), (5, 4161958465), (7, 2972827475), (25, 832391693), (35, 594565495), (175, 118913099), (761, 27345325), (3805, 5469065), (5327, 3906475), (19025, 1093813), (26635, 781295), (133175, 156259)]