20085925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 26623296

約数和(自身を除く): 6537371

約数列:

[1, 5, 17, 25, 85, 167, 283, 425, 835, 1415, 2839, 4175, 4811, 7075, 14195, 24055, 47261, 70975, 120275, 236305, 803437, 1181525, 4017185, 20085925]

約数ペア:

[(1, 20085925), (5, 4017185), (17, 1181525), (25, 803437), (85, 236305), (167, 120275), (283, 70975), (425, 47261), (835, 24055), (1415, 14195), (2839, 7075), (4175, 4811)]