20145904

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{21341}}^1$

素因数の和:21408

約数の個数: 20

約数和(自身を含む): 39696120

約数和(自身を除く): 19550216

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 21341, 42682, 85364, 170728, 341456, 1259119, 2518238, 5036476, 10072952, 20145904]

約数ペア:

[(1, 20145904), (2, 10072952), (4, 5036476), (8, 2518238), (16, 1259119), (59, 341456), (118, 170728), (236, 85364), (472, 42682), (944, 21341)]