20763425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 26998272

約数和(自身を除く): 6234847

約数列:

[1, 5, 25, 41, 47, 205, 235, 431, 1025, 1175, 1927, 2155, 9635, 10775, 17671, 20257, 48175, 88355, 101285, 441775, 506425, 830537, 4152685, 20763425]

約数ペア:

[(1, 20763425), (5, 4152685), (25, 830537), (41, 506425), (47, 441775), (205, 101285), (235, 88355), (431, 48175), (1025, 20257), (1175, 17671), (1927, 10775), (2155, 9635)]