20797284951

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{509101}}^1$

素因数の和:509216

約数の個数: 32

約数和(自身を含む): 32989809600

約数和(自身を除く): 12192524649

約数列:

[1, 3, 9, 17, 27, 51, 89, 153, 267, 459, 801, 1513, 2403, 4539, 13617, 40851, 509101, 1527303, 4581909, 8654717, 13745727, 25964151, 45309989, 77892453, 135929967, 233677359, 407789901, 770269813, 1223369703, 2310809439, 6932428317, 20797284951]

約数ペア:

[(1, 20797284951), (3, 6932428317), (9, 2310809439), (17, 1223369703), (27, 770269813), (51, 407789901), (89, 233677359), (153, 135929967), (267, 77892453), (459, 45309989), (801, 25964151), (1513, 13745727), (2403, 8654717), (4539, 4581909), (13617, 1527303), (40851, 509101)]