20790154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1063}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 39223296

約数和(自身を除く): 18433142

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 1063, 1397, 1778, 2126, 2794, 7441, 9779, 11693, 14882, 19558, 23386, 81851, 135001, 163702, 270002, 945007, 1485011, 1890014, 2970022, 10395077, 20790154]

約数ペア:

[(1, 20790154), (2, 10395077), (7, 2970022), (11, 1890014), (14, 1485011), (22, 945007), (77, 270002), (127, 163702), (154, 135001), (254, 81851), (889, 23386), (1063, 19558), (1397, 14882), (1778, 11693), (2126, 9779), (2794, 7441)]