20767646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 24

約数和(自身を含む): 33568680

約数和(自身を除く): 12801034

約数列:

[1, 2, 19, 38, 59, 118, 157, 314, 1121, 2242, 2983, 3481, 5966, 6962, 9263, 18526, 66139, 132278, 175997, 351994, 546517, 1093034, 10383823, 20767646]

約数ペア:

[(1, 20767646), (2, 10383823), (19, 1093034), (38, 546517), (59, 351994), (118, 175997), (157, 132278), (314, 66139), (1121, 18526), (2242, 9263), (2983, 6962), (3481, 5966)]