20882316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 60340224

約数和(自身を除く): 39457908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1471, 2028, 2366, 2942, 3549, 4413, 4732, 5884, 7098, 8826, 10297, 14196, 17652, 19123, 20594, 30891, 38246, 41188, 57369, 61782, 76492, 114738, 123564, 133861, 229476, 248599, 267722, 401583, 497198, 535444, 745797, 803166, 994396, 1491594, 1606332, 1740193, 2983188, 3480386, 5220579, 6960772, 10441158, 20882316]

約数ペア:

[(1, 20882316), (2, 10441158), (3, 6960772), (4, 5220579), (6, 3480386), (7, 2983188), (12, 1740193), (13, 1606332), (14, 1491594), (21, 994396), (26, 803166), (28, 745797), (39, 535444), (42, 497198), (52, 401583), (78, 267722), (84, 248599), (91, 229476), (156, 133861), (169, 123564), (182, 114738), (273, 76492), (338, 61782), (364, 57369), (507, 41188), (546, 38246), (676, 30891), (1014, 20594), (1092, 19123), (1183, 17652), (1471, 14196), (2028, 10297), (2366, 8826), (2942, 7098), (3549, 5884), (4413, 4732)]