20887625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 24

約数和(自身を含む): 28673736

約数和(自身を除く): 7786111

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 1375, 1381, 3025, 6905, 15125, 15191, 34525, 75955, 167101, 172625, 379775, 835505, 1898875, 4177525, 20887625]

約数ペア:

[(1, 20887625), (5, 4177525), (11, 1898875), (25, 835505), (55, 379775), (121, 172625), (125, 167101), (275, 75955), (605, 34525), (1375, 15191), (1381, 15125), (3025, 6905)]