20179904825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{362459}}^1$

素因数の和:362617

約数の個数: 24

約数和(自身を含む): 26697353760

約数和(自身を除く): 6517448935

約数列:

[1, 5, 17, 25, 85, 131, 425, 655, 2227, 3275, 11135, 55675, 362459, 1812295, 6161803, 9061475, 30809015, 47482129, 154045075, 237410645, 807196193, 1187053225, 4035980965, 20179904825]

約数ペア:

[(1, 20179904825), (5, 4035980965), (17, 1187053225), (25, 807196193), (85, 237410645), (131, 154045075), (425, 47482129), (655, 30809015), (2227, 9061475), (3275, 6161803), (11135, 1812295), (55675, 362459)]