20198794

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4282

約数の個数: 32

約数和(自身を含む): 39002112

約数和(自身を除く): 18803318

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4231, 4774, 8462, 29617, 46541, 59234, 93082, 131161, 262322, 325787, 651574, 918127, 1442771, 1836254, 2885542, 10099397, 20198794]

約数ペア:

[(1, 20198794), (2, 10099397), (7, 2885542), (11, 1836254), (14, 1442771), (22, 918127), (31, 651574), (62, 325787), (77, 262322), (154, 131161), (217, 93082), (341, 59234), (434, 46541), (682, 29617), (2387, 8462), (4231, 4774)]