20147393973

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1017391}}^1$

素因数の和:1017465

約数の個数: 32

約数和(自身を含む): 32816996352

約数和(自身を除く): 12669602379

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 943, 2829, 6601, 19803, 1017391, 3052173, 7121737, 21365211, 23399993, 41713031, 70199979, 125139093, 163799951, 291991217, 491399853, 875973651, 959399713, 2878199139, 6715797991, 20147393973]

約数ペア:

[(1, 20147393973), (3, 6715797991), (7, 2878199139), (21, 959399713), (23, 875973651), (41, 491399853), (69, 291991217), (123, 163799951), (161, 125139093), (287, 70199979), (483, 41713031), (861, 23399993), (943, 21365211), (2829, 7121737), (6601, 3052173), (19803, 1017391)]