20450409

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2381}}^1$

素因数の和:2800

約数の個数: 16

約数和(自身を含む): 31251840

約数和(自身を除く): 10801431

約数列:

[1, 3, 7, 21, 409, 1227, 2381, 2863, 7143, 8589, 16667, 50001, 973829, 2921487, 6816803, 20450409]

約数ペア:

[(1, 20450409), (3, 6816803), (7, 2921487), (21, 973829), (409, 50001), (1227, 16667), (2381, 8589), (2863, 7143)]