20196470021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1\times {\mathrm{2879}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 25102909440

約数和(自身を除く): 4906439419

約数列:

[1, 7, 13, 91, 127, 607, 889, 1651, 2879, 4249, 7891, 11557, 20153, 37427, 55237, 77089, 261989, 365633, 539623, 1002157, 1747553, 2559431, 4753229, 7015099, 12232871, 22718189, 33272603, 159027323, 221939231, 1553574617, 2885210003, 20196470021]

約数ペア:

[(1, 20196470021), (7, 2885210003), (13, 1553574617), (91, 221939231), (127, 159027323), (607, 33272603), (889, 22718189), (1651, 12232871), (2879, 7015099), (4249, 4753229), (7891, 2559431), (11557, 1747553), (20153, 1002157), (37427, 539623), (55237, 365633), (77089, 261989)]