20105876

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5436

約数の個数: 36

約数和(自身を含む): 43092000

約数和(自身を除く): 22986124

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5399, 10798, 21596, 37793, 75586, 102581, 151172, 205162, 264551, 410324, 529102, 718067, 1058204, 1436134, 2872268, 5026469, 10052938, 20105876]

約数ペア:

[(1, 20105876), (2, 10052938), (4, 5026469), (7, 2872268), (14, 1436134), (19, 1058204), (28, 718067), (38, 529102), (49, 410324), (76, 264551), (98, 205162), (133, 151172), (196, 102581), (266, 75586), (532, 37793), (931, 21596), (1862, 10798), (3724, 5399)]