20162225

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 26123328

約数和(自身を除く): 5961103

約数列:

[1, 5, 25, 37, 71, 185, 307, 355, 925, 1535, 1775, 2627, 7675, 11359, 13135, 21797, 56795, 65675, 108985, 283975, 544925, 806489, 4032445, 20162225]

約数ペア:

[(1, 20162225), (5, 4032445), (25, 806489), (37, 544925), (71, 283975), (185, 108985), (307, 65675), (355, 56795), (925, 21797), (1535, 13135), (1775, 11359), (2627, 7675)]