20120287329

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{57593}}^1$

素因数の和:57851

約数の個数: 40

約数和(自身を含む): 31778065440

約数和(自身を除く): 11657778111

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 227, 513, 681, 1539, 2043, 4313, 6129, 12939, 18387, 38817, 57593, 116451, 172779, 349353, 518337, 1094267, 1555011, 3282801, 4665033, 9848403, 13073611, 29545209, 39220833, 88635627, 117662499, 248398609, 352987497, 745195827, 1058962491, 2235587481, 6706762443, 20120287329]

約数ペア:

[(1, 20120287329), (3, 6706762443), (9, 2235587481), (19, 1058962491), (27, 745195827), (57, 352987497), (81, 248398609), (171, 117662499), (227, 88635627), (513, 39220833), (681, 29545209), (1539, 13073611), (2043, 9848403), (4313, 4665033), (6129, 3282801), (12939, 1555011), (18387, 1094267), (38817, 518337), (57593, 349353), (116451, 172779)]