20949175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 28390544

約数和(自身を除く): 7441369

約数列:

[1, 5, 13, 25, 65, 73, 325, 365, 883, 949, 1825, 4415, 4745, 11479, 22075, 23725, 57395, 64459, 286975, 322295, 837967, 1611475, 4189835, 20949175]

約数ペア:

[(1, 20949175), (5, 4189835), (13, 1611475), (25, 837967), (65, 322295), (73, 286975), (325, 64459), (365, 57395), (883, 23725), (949, 22075), (1825, 11479), (4415, 4745)]