20367753

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51047}}^1$

素因数の和:51076

約数の個数: 16

約数和(自身を含む): 32670720

約数和(自身を除く): 12302967

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51047, 153141, 357329, 969893, 1071987, 2909679, 6789251, 20367753]

約数ペア:

[(1, 20367753), (3, 6789251), (7, 2909679), (19, 1071987), (21, 969893), (57, 357329), (133, 153141), (399, 51047)]