20128860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111827}}^1$

素因数の和:111842

約数の個数: 36

約数和(自身を含む): 61058088

約数和(自身を除く): 40929228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111827, 223654, 335481, 447308, 559135, 670962, 1006443, 1118270, 1341924, 1677405, 2012886, 2236540, 3354810, 4025772, 5032215, 6709620, 10064430, 20128860]

約数ペア:

[(1, 20128860), (2, 10064430), (3, 6709620), (4, 5032215), (5, 4025772), (6, 3354810), (9, 2236540), (10, 2012886), (12, 1677405), (15, 1341924), (18, 1118270), (20, 1006443), (30, 670962), (36, 559135), (45, 447308), (60, 335481), (90, 223654), (180, 111827)]