20159825

素因数分解:

$5^2\times 7^3\times {\mathrm{2351}}^1$

素因数の和:2382

約数の個数: 24

約数和(自身を含む): 29164800

約数和(自身を除く): 9004975

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2351, 8575, 11755, 16457, 58775, 82285, 115199, 411425, 575995, 806393, 2879975, 4031965, 20159825]

約数ペア:

[(1, 20159825), (5, 4031965), (7, 2879975), (25, 806393), (35, 575995), (49, 411425), (175, 115199), (245, 82285), (343, 58775), (1225, 16457), (1715, 11755), (2351, 8575)]