20807202819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{61657}}^1$

素因数の和:62199

約数の個数: 32

約数和(自身を含む): 31697144640

約数和(自身を除く): 10889941821

約数列:

[1, 3, 13, 17, 39, 51, 221, 509, 663, 1527, 6617, 8653, 19851, 25959, 61657, 112489, 184971, 337467, 801541, 1048169, 2404623, 3144507, 13626197, 31383413, 40878591, 94150239, 407984369, 533518021, 1223953107, 1600554063, 6935734273, 20807202819]

約数ペア:

[(1, 20807202819), (3, 6935734273), (13, 1600554063), (17, 1223953107), (39, 533518021), (51, 407984369), (221, 94150239), (509, 40878591), (663, 31383413), (1527, 13626197), (6617, 3144507), (8653, 2404623), (19851, 1048169), (25959, 801541), (61657, 337467), (112489, 184971)]