20885022081

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1931}}^1\times {\mathrm{15607}}^1$

素因数の和:17562

約数の個数: 48

約数和(自身を含む): 37633010688

約数和(自身を除く): 16747988607

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 1931, 5793, 13517, 15607, 17379, 21241, 40551, 46821, 63723, 109249, 121653, 140463, 148687, 171677, 191169, 327747, 446061, 515031, 983241, 1201739, 1338183, 1545093, 3605217, 10815651, 30137117, 90411351, 210959819, 271234053, 331508287, 632879457, 994524861, 1898638371, 2320558009, 2983574583, 6961674027, 20885022081]

約数ペア:

[(1, 20885022081), (3, 6961674027), (7, 2983574583), (9, 2320558009), (11, 1898638371), (21, 994524861), (33, 632879457), (63, 331508287), (77, 271234053), (99, 210959819), (231, 90411351), (693, 30137117), (1931, 10815651), (5793, 3605217), (13517, 1545093), (15607, 1338183), (17379, 1201739), (21241, 983241), (40551, 515031), (46821, 446061), (63723, 327747), (109249, 191169), (121653, 171677), (140463, 148687)]