20088075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 18409461

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 461, 525, 581, 1245, 1383, 1743, 2075, 2305, 2905, 3227, 6225, 6915, 8715, 9681, 11525, 14525, 16135, 34575, 38263, 43575, 48405, 80675, 114789, 191315, 242025, 267841, 573945, 803523, 956575, 1339205, 2869725, 4017615, 6696025, 20088075]

約数ペア:

[(1, 20088075), (3, 6696025), (5, 4017615), (7, 2869725), (15, 1339205), (21, 956575), (25, 803523), (35, 573945), (75, 267841), (83, 242025), (105, 191315), (175, 114789), (249, 80675), (415, 48405), (461, 43575), (525, 38263), (581, 34575), (1245, 16135), (1383, 14525), (1743, 11525), (2075, 9681), (2305, 8715), (2905, 6915), (3227, 6225)]