20940066

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 54927360

約数和(自身を除く): 33987294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1787, 1953, 3574, 3906, 5361, 5859, 10722, 11718, 12509, 16083, 25018, 32166, 37527, 48249, 55397, 75054, 96498, 110794, 112581, 166191, 225162, 332382, 337743, 387779, 498573, 675486, 775558, 997146, 1163337, 1495719, 2326674, 2991438, 3490011, 6980022, 10470033, 20940066]

約数ペア:

[(1, 20940066), (2, 10470033), (3, 6980022), (6, 3490011), (7, 2991438), (9, 2326674), (14, 1495719), (18, 1163337), (21, 997146), (27, 775558), (31, 675486), (42, 498573), (54, 387779), (62, 337743), (63, 332382), (93, 225162), (126, 166191), (186, 112581), (189, 110794), (217, 96498), (279, 75054), (378, 55397), (434, 48249), (558, 37527), (651, 32166), (837, 25018), (1302, 16083), (1674, 12509), (1787, 11718), (1953, 10722), (3574, 5859), (3906, 5361)]