20124670

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 37620000

約数和(自身を除く): 17495330

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 499, 545, 998, 1090, 2495, 4033, 4990, 8066, 18463, 20165, 36926, 40330, 54391, 92315, 108782, 184630, 271955, 543910, 2012467, 4024934, 10062335, 20124670]

約数ペア:

[(1, 20124670), (2, 10062335), (5, 4024934), (10, 2012467), (37, 543910), (74, 271955), (109, 184630), (185, 108782), (218, 92315), (370, 54391), (499, 40330), (545, 36926), (998, 20165), (1090, 18463), (2495, 8066), (4033, 4990)]