20657202643

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{727}}^1\times {\mathrm{33547}}^1$

素因数の和:34303

約数の個数: 24

約数和(自身を含む): 25986012416

約数和(自身を除く): 5328809773

約数列:

[1, 7, 11, 77, 121, 727, 847, 5089, 7997, 33547, 55979, 87967, 234829, 369017, 615769, 2583119, 4059187, 24388669, 28414309, 170720683, 268275359, 1877927513, 2951028949, 20657202643]

約数ペア:

[(1, 20657202643), (7, 2951028949), (11, 1877927513), (77, 268275359), (121, 170720683), (727, 28414309), (847, 24388669), (5089, 4059187), (7997, 2583119), (33547, 615769), (55979, 369017), (87967, 234829)]