20095816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20728184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 971, 1592, 1942, 2587, 3884, 5174, 7768, 10348, 12623, 20696, 25246, 50492, 100984, 193229, 386458, 772916, 1545832, 2511977, 5023954, 10047908, 20095816]

約数ペア:

[(1, 20095816), (2, 10047908), (4, 5023954), (8, 2511977), (13, 1545832), (26, 772916), (52, 386458), (104, 193229), (199, 100984), (398, 50492), (796, 25246), (971, 20696), (1592, 12623), (1942, 10348), (2587, 7768), (3884, 5174)]