20197632016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66439579}}^1$

素因数の和:66439606

約数の個数: 20

約数和(自身を含む): 41192539600

約数和(自身を除く): 20994907584

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66439579, 132879158, 265758316, 531516632, 1063033264, 1262352001, 2524704002, 5049408004, 10098816008, 20197632016]

約数ペア:

[(1, 20197632016), (2, 10098816008), (4, 5049408004), (8, 2524704002), (16, 1262352001), (19, 1063033264), (38, 531516632), (76, 265758316), (152, 132879158), (304, 66439579)]