20813842

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28051}}^1$

素因数の和:28113

約数の個数: 16

約数和(自身を含む): 36355392

約数和(自身を除く): 15541550

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28051, 56102, 196357, 392714, 1486703, 2973406, 10406921, 20813842]

約数ペア:

[(1, 20813842), (2, 10406921), (7, 2973406), (14, 1486703), (53, 392714), (106, 196357), (371, 56102), (742, 28051)]