20570425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 27955800

約数和(自身を除く): 7385375

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1669, 2465, 8345, 12325, 28373, 41725, 48401, 141865, 242005, 709325, 822817, 1210025, 4114085, 20570425]

約数ペア:

[(1, 20570425), (5, 4114085), (17, 1210025), (25, 822817), (29, 709325), (85, 242005), (145, 141865), (425, 48401), (493, 41725), (725, 28373), (1669, 12325), (2465, 8345)]