20177525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 26650080

約数和(自身を除く): 6472555

約数列:

[1, 5, 19, 25, 95, 107, 397, 475, 535, 1985, 2033, 2675, 7543, 9925, 10165, 37715, 42479, 50825, 188575, 212395, 807101, 1061975, 4035505, 20177525]

約数ペア:

[(1, 20177525), (5, 4035505), (19, 1061975), (25, 807101), (95, 212395), (107, 188575), (397, 50825), (475, 42479), (535, 37715), (1985, 10165), (2033, 9925), (2675, 7543)]