20154645505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{71563}}^1$

素因数の和:71701

約数の個数: 32

約数和(自身を含む): 26381352960

約数和(自身を除く): 6226707455

約数列:

[1, 5, 23, 31, 79, 115, 155, 395, 713, 1817, 2449, 3565, 9085, 12245, 56327, 71563, 281635, 357815, 1645949, 2218453, 5653477, 8229745, 11092265, 28267385, 51024419, 130029971, 175257787, 255122095, 650149855, 876288935, 4030929101, 20154645505]

約数ペア:

[(1, 20154645505), (5, 4030929101), (23, 876288935), (31, 650149855), (79, 255122095), (115, 175257787), (155, 130029971), (395, 51024419), (713, 28267385), (1817, 11092265), (2449, 8229745), (3565, 5653477), (9085, 2218453), (12245, 1645949), (56327, 357815), (71563, 281635)]