20847237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6199}}^1$

素因数の和:6280

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 8912763

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6199, 18597, 117781, 353343, 365741, 1097223, 6949079, 20847237]

約数ペア:

[(1, 20847237), (3, 6949079), (19, 1097223), (57, 365741), (59, 353343), (177, 117781), (1121, 18597), (3363, 6199)]