20307406

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5779}}^1$

素因数の和:6039

約数の個数: 16

約数和(自身を含む): 34957440

約数和(自身を除く): 14650034

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5779, 11558, 40453, 80906, 1450529, 2901058, 10153703, 20307406]

約数ペア:

[(1, 20307406), (2, 10153703), (7, 2901058), (14, 1450529), (251, 80906), (502, 40453), (1757, 11558), (3514, 5779)]