20578374

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2153}}^1$

素因数の和:2226

約数の個数: 40

約数和(自身を含む): 46914120

約数和(自身を除く): 26335746

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 354, 531, 1062, 1593, 2153, 3186, 4306, 4779, 6459, 9558, 12918, 19377, 38754, 58131, 116262, 127027, 174393, 254054, 348786, 381081, 762162, 1143243, 2286486, 3429729, 6859458, 10289187, 20578374]

約数ペア:

[(1, 20578374), (2, 10289187), (3, 6859458), (6, 3429729), (9, 2286486), (18, 1143243), (27, 762162), (54, 381081), (59, 348786), (81, 254054), (118, 174393), (162, 127027), (177, 116262), (354, 58131), (531, 38754), (1062, 19377), (1593, 12918), (2153, 9558), (3186, 6459), (4306, 4779)]