20116278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12281}}^1$

素因数の和:12309

約数の個数: 48

約数和(自身を含む): 53647776

約数和(自身を除く): 33531498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12281, 24562, 36843, 73686, 85967, 110529, 159653, 171934, 221058, 257901, 319306, 478959, 515802, 773703, 957918, 1117571, 1436877, 1547406, 2235142, 2873754, 3352713, 6705426, 10058139, 20116278]

約数ペア:

[(1, 20116278), (2, 10058139), (3, 6705426), (6, 3352713), (7, 2873754), (9, 2235142), (13, 1547406), (14, 1436877), (18, 1117571), (21, 957918), (26, 773703), (39, 515802), (42, 478959), (63, 319306), (78, 257901), (91, 221058), (117, 171934), (126, 159653), (182, 110529), (234, 85967), (273, 73686), (546, 36843), (819, 24562), (1638, 12281)]