20130775

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3109}}^1$

素因数の和:3163

約数の個数: 24

約数和(自身を含む): 29308640

約数和(自身を除く): 9177865

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 3109, 6475, 15545, 21763, 77725, 108815, 115033, 544075, 575165, 805231, 2875825, 4026155, 20130775]

約数ペア:

[(1, 20130775), (5, 4026155), (7, 2875825), (25, 805231), (35, 575165), (37, 544075), (175, 115033), (185, 108815), (259, 77725), (925, 21763), (1295, 15545), (3109, 6475)]