20560492799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1\times {\mathrm{2897}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 26080330752

約数和(自身を除く): 5519837953

約数列:

[1, 7, 11, 61, 77, 427, 671, 1511, 2897, 4697, 10577, 16621, 20279, 31867, 92171, 116347, 176717, 223069, 645197, 1013881, 1237019, 1943887, 4377367, 7097167, 13607209, 30641569, 48151037, 267019387, 337057259, 1869135709, 2937213257, 20560492799]

約数ペア:

[(1, 20560492799), (7, 2937213257), (11, 1869135709), (61, 337057259), (77, 267019387), (427, 48151037), (671, 30641569), (1511, 13607209), (2897, 7097167), (4697, 4377367), (10577, 1943887), (16621, 1237019), (20279, 1013881), (31867, 645197), (92171, 223069), (116347, 176717)]