20962956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{521}}^1$

素因数の和:1014

約数の個数: 48

約数和(自身を含む): 56125440

約数和(自身を除く): 35162484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 479, 521, 958, 1042, 1437, 1563, 1916, 2084, 2874, 3126, 3353, 3647, 5748, 6252, 6706, 7294, 10059, 10941, 13412, 14588, 20118, 21882, 40236, 43764, 249559, 499118, 748677, 998236, 1497354, 1746913, 2994708, 3493826, 5240739, 6987652, 10481478, 20962956]

約数ペア:

[(1, 20962956), (2, 10481478), (3, 6987652), (4, 5240739), (6, 3493826), (7, 2994708), (12, 1746913), (14, 1497354), (21, 998236), (28, 748677), (42, 499118), (84, 249559), (479, 43764), (521, 40236), (958, 21882), (1042, 20118), (1437, 14588), (1563, 13412), (1916, 10941), (2084, 10059), (2874, 7294), (3126, 6706), (3353, 6252), (3647, 5748)]