20280482564

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 36145460736

約数和(自身を除く): 15864978172

約数列:

[1, 2, 4, 131, 197, 223, 262, 394, 446, 524, 788, 881, 892, 1762, 3524, 25807, 29213, 43931, 51614, 58426, 87862, 103228, 115411, 116852, 173557, 175724, 196463, 230822, 347114, 392926, 461644, 694228, 785852, 5754961, 11509922, 22735967, 23019844, 25736653, 38703211, 45471934, 51473306, 77406422, 90943868, 102946612, 154812844, 5070120641, 10140241282, 20280482564]

約数ペア:

[(1, 20280482564), (2, 10140241282), (4, 5070120641), (131, 154812844), (197, 102946612), (223, 90943868), (262, 77406422), (394, 51473306), (446, 45471934), (524, 38703211), (788, 25736653), (881, 23019844), (892, 22735967), (1762, 11509922), (3524, 5754961), (25807, 785852), (29213, 694228), (43931, 461644), (51614, 392926), (58426, 347114), (87862, 230822), (103228, 196463), (115411, 175724), (116852, 173557)]