20326504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12157}}^1$

素因数の和:12193

約数の個数: 32

約数和(自身を含む): 43768800

約数和(自身を除く): 23442296

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12157, 24314, 48628, 97256, 133727, 230983, 267454, 461966, 534908, 923932, 1069816, 1847864, 2540813, 5081626, 10163252, 20326504]

約数ペア:

[(1, 20326504), (2, 10163252), (4, 5081626), (8, 2540813), (11, 1847864), (19, 1069816), (22, 923932), (38, 534908), (44, 461966), (76, 267454), (88, 230983), (152, 133727), (209, 97256), (418, 48628), (836, 24314), (1672, 12157)]