20873075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 27902976

約数和(自身を除く): 7029901

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1171, 3565, 5855, 17825, 26933, 29275, 36301, 134665, 181505, 673325, 834923, 907525, 4174615, 20873075]

約数ペア:

[(1, 20873075), (5, 4174615), (23, 907525), (25, 834923), (31, 673325), (115, 181505), (155, 134665), (575, 36301), (713, 29275), (775, 26933), (1171, 17825), (3565, 5855)]