20055425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2683}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 27956544

約数和(自身を除く): 7901119

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 2683, 7475, 13415, 34879, 61709, 67075, 174395, 308545, 802217, 871975, 1542725, 4011085, 20055425]

約数ペア:

[(1, 20055425), (5, 4011085), (13, 1542725), (23, 871975), (25, 802217), (65, 308545), (115, 174395), (299, 67075), (325, 61709), (575, 34879), (1495, 13415), (2683, 7475)]