20163496894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{63647}}^1$

素因数の和:63840

約数の個数: 32

約数和(自身を含む): 32335220736

約数和(自身を除く): 12171723842

約数列:

[1, 2, 23, 46, 71, 97, 142, 194, 1633, 2231, 3266, 4462, 6887, 13774, 63647, 127294, 158401, 316802, 1463881, 2927762, 4518937, 6173759, 9037874, 12347518, 103935551, 141996457, 207871102, 283992914, 438336889, 876673778, 10081748447, 20163496894]

約数ペア:

[(1, 20163496894), (2, 10081748447), (23, 876673778), (46, 438336889), (71, 283992914), (97, 207871102), (142, 141996457), (194, 103935551), (1633, 12347518), (2231, 9037874), (3266, 6173759), (4462, 4518937), (6887, 2927762), (13774, 1463881), (63647, 316802), (127294, 158401)]