20384625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2898

約数の個数: 32

約数和(自身を含む): 35717760

約数和(自身を除く): 15333135

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2861, 7125, 8583, 14305, 42915, 54359, 71525, 163077, 214575, 271795, 357625, 815385, 1072875, 1358975, 4076925, 6794875, 20384625]

約数ペア:

[(1, 20384625), (3, 6794875), (5, 4076925), (15, 1358975), (19, 1072875), (25, 815385), (57, 357625), (75, 271795), (95, 214575), (125, 163077), (285, 71525), (375, 54359), (475, 42915), (1425, 14305), (2375, 8583), (2861, 7125)]