20804429142

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{372719}}^1$

素因数の和:373177

約数の個数: 48

約数和(自身を含む): 51632156160

約数和(自身を除く): 30827727018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 443, 886, 1329, 2658, 3101, 3987, 6202, 7974, 9303, 18606, 27909, 55818, 372719, 745438, 1118157, 2236314, 2609033, 3354471, 5218066, 6708942, 7827099, 15654198, 23481297, 46962594, 165114517, 330229034, 495343551, 990687102, 1155801619, 1486030653, 2311603238, 2972061306, 3467404857, 6934809714, 10402214571, 20804429142]

約数ペア:

[(1, 20804429142), (2, 10402214571), (3, 6934809714), (6, 3467404857), (7, 2972061306), (9, 2311603238), (14, 1486030653), (18, 1155801619), (21, 990687102), (42, 495343551), (63, 330229034), (126, 165114517), (443, 46962594), (886, 23481297), (1329, 15654198), (2658, 7827099), (3101, 6708942), (3987, 5218066), (6202, 3354471), (7974, 2609033), (9303, 2236314), (18606, 1118157), (27909, 745438), (55818, 372719)]