20172432875

素因数分解:

$5^3\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{11939}}^1$

素因数の和:13892

約数の個数: 32

約数和(自身を含む): 28788963840

約数和(自身を除く): 8616530965

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 1931, 9655, 11939, 13517, 48275, 59695, 67585, 83573, 241375, 298475, 337925, 417865, 1492375, 1689625, 2089325, 10446625, 23054209, 115271045, 161379463, 576355225, 806897315, 2881776125, 4034486575, 20172432875]

約数ペア:

[(1, 20172432875), (5, 4034486575), (7, 2881776125), (25, 806897315), (35, 576355225), (125, 161379463), (175, 115271045), (875, 23054209), (1931, 10446625), (9655, 2089325), (11939, 1689625), (13517, 1492375), (48275, 417865), (59695, 337925), (67585, 298475), (83573, 241375)]