20709590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3191}}^1$

素因数の和:3268

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20658730

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3191, 3245, 6382, 6490, 15955, 31910, 35101, 70202, 175505, 188269, 351010, 376538, 941345, 1882690, 2070959, 4141918, 10354795, 20709590]

約数ペア:

[(1, 20709590), (2, 10354795), (5, 4141918), (10, 2070959), (11, 1882690), (22, 941345), (55, 376538), (59, 351010), (110, 188269), (118, 175505), (295, 70202), (590, 35101), (649, 31910), (1298, 15955), (3191, 6490), (3245, 6382)]