20903669270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{686041}}^1$

素因数の和:686336

約数の個数: 32

約数和(自身を含む): 41195450016

約数和(自身を除く): 20291780746

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2770, 3047, 6094, 15235, 30470, 686041, 1372082, 3430205, 6860410, 7546451, 15092902, 37732255, 75464510, 190033357, 380066714, 950166785, 1900333570, 2090366927, 4180733854, 10451834635, 20903669270]

約数ペア:

[(1, 20903669270), (2, 10451834635), (5, 4180733854), (10, 2090366927), (11, 1900333570), (22, 950166785), (55, 380066714), (110, 190033357), (277, 75464510), (554, 37732255), (1385, 15092902), (2770, 7546451), (3047, 6860410), (6094, 3430205), (15235, 1372082), (30470, 686041)]