20677713

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 33964032

約数和(自身を除く): 13286319

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1381, 2139, 4143, 4991, 9667, 14973, 29001, 31763, 42811, 95289, 128433, 222341, 299677, 667023, 899031, 984653, 2953959, 6892571, 20677713]

約数ペア:

[(1, 20677713), (3, 6892571), (7, 2953959), (21, 984653), (23, 899031), (31, 667023), (69, 299677), (93, 222341), (161, 128433), (217, 95289), (483, 42811), (651, 31763), (713, 29001), (1381, 14973), (2139, 9667), (4143, 4991)]