20121572163

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2809883}}^1$

素因数の和:2809935

約数の個数: 32

約数和(自身を含む): 34527854592

約数和(自身を除く): 14406282429

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 7161, 2809883, 8429649, 19669181, 30908713, 59007543, 87106373, 92726139, 216360991, 261319119, 609744611, 649082973, 958170103, 1829233833, 2874510309, 6707190721, 20121572163]

約数ペア:

[(1, 20121572163), (3, 6707190721), (7, 2874510309), (11, 1829233833), (21, 958170103), (31, 649082973), (33, 609744611), (77, 261319119), (93, 216360991), (217, 92726139), (231, 87106373), (341, 59007543), (651, 30908713), (1023, 19669181), (2387, 8429649), (7161, 2809883)]