20309266

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1769

約数の個数: 16

約数和(自身を含む): 31259520

約数和(自身を除く): 10950254

約数列:

[1, 2, 71, 89, 142, 178, 1607, 3214, 6319, 12638, 114097, 143023, 228194, 286046, 10154633, 20309266]

約数ペア:

[(1, 20309266), (2, 10154633), (71, 286046), (89, 228194), (142, 143023), (178, 114097), (1607, 12638), (3214, 6319)]