20396348

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5477}}^1$

素因数の和:5514

約数の個数: 36

約数和(自身を含む): 43714440

約数和(自身を除く): 23318092

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5477, 10954, 21908, 38339, 76678, 104063, 153356, 208126, 268373, 416252, 536746, 728441, 1073492, 1456882, 2913764, 5099087, 10198174, 20396348]

約数ペア:

[(1, 20396348), (2, 10198174), (4, 5099087), (7, 2913764), (14, 1456882), (19, 1073492), (28, 728441), (38, 536746), (49, 416252), (76, 268373), (98, 208126), (133, 153356), (196, 104063), (266, 76678), (532, 38339), (931, 21908), (1862, 10954), (3724, 5477)]