20096375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 27518400

約数和(自身を除く): 7422025

約数列:

[1, 5, 13, 25, 65, 83, 125, 149, 325, 415, 745, 1079, 1625, 1937, 2075, 3725, 5395, 9685, 10375, 12367, 18625, 26975, 48425, 61835, 134875, 160771, 242125, 309175, 803855, 1545875, 4019275, 20096375]

約数ペア:

[(1, 20096375), (5, 4019275), (13, 1545875), (25, 803855), (65, 309175), (83, 242125), (125, 160771), (149, 134875), (325, 61835), (415, 48425), (745, 26975), (1079, 18625), (1625, 12367), (1937, 10375), (2075, 9685), (3725, 5395)]