20921855678438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6863}}^1\times {\mathrm{10659091}}^1$

素因数の和:10665980

約数の個数: 32

約数和(自身を含む): 36874659773952

約数和(自身を除く): 15952804095514

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 6863, 13726, 75493, 89219, 150986, 178438, 981409, 1962818, 10659091, 21318182, 117250001, 138568183, 234500002, 277136366, 1524250013, 3048500026, 73153341533, 146306683066, 804686756863, 950993439929, 1609373513726, 1901986879858, 10460927839219, 20921855678438]

約数ペア:

[(1, 20921855678438), (2, 10460927839219), (11, 1901986879858), (13, 1609373513726), (22, 950993439929), (26, 804686756863), (143, 146306683066), (286, 73153341533), (6863, 3048500026), (13726, 1524250013), (75493, 277136366), (89219, 234500002), (150986, 138568183), (178438, 117250001), (981409, 21318182), (1962818, 10659091)]