20959225

素因数分解:

$5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{523}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 29888960

約数和(自身を除く): 8929735

約数列:

[1, 5, 7, 25, 35, 175, 229, 523, 1145, 1603, 2615, 3661, 5725, 8015, 13075, 18305, 40075, 91525, 119767, 598835, 838369, 2994175, 4191845, 20959225]

約数ペア:

[(1, 20959225), (5, 4191845), (7, 2994175), (25, 838369), (35, 598835), (175, 119767), (229, 91525), (523, 40075), (1145, 18305), (1603, 13075), (2615, 8015), (3661, 5725)]