20384078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15807154

約数列:

[1, 2, 11, 13, 22, 26, 143, 263, 271, 286, 526, 542, 2893, 2981, 3419, 3523, 5786, 5962, 6838, 7046, 37609, 38753, 71273, 75218, 77506, 142546, 784003, 926549, 1568006, 1853098, 10192039, 20384078]

約数ペア:

[(1, 20384078), (2, 10192039), (11, 1853098), (13, 1568006), (22, 926549), (26, 784003), (143, 142546), (263, 77506), (271, 75218), (286, 71273), (526, 38753), (542, 37609), (2893, 7046), (2981, 6838), (3419, 5962), (3523, 5786)]