20185125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2833}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 35368320

約数和(自身を除く): 15183195

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2833, 7125, 8499, 14165, 42495, 53827, 70825, 161481, 212475, 269135, 354125, 807405, 1062375, 1345675, 4037025, 6728375, 20185125]

約数ペア:

[(1, 20185125), (3, 6728375), (5, 4037025), (15, 1345675), (19, 1062375), (25, 807405), (57, 354125), (75, 269135), (95, 212475), (125, 161481), (285, 70825), (375, 53827), (475, 42495), (1425, 14165), (2375, 8499), (2833, 7125)]