20036241

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 32292480

約数和(自身を除く): 12256239

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 277, 423, 513, 831, 893, 1269, 1539, 2493, 2679, 3807, 5263, 7479, 8037, 13019, 15789, 22437, 24111, 39057, 47367, 72333, 117171, 142101, 247361, 351513, 426303, 742083, 1054539, 2226249, 6678747, 20036241]

約数ペア:

[(1, 20036241), (3, 6678747), (9, 2226249), (19, 1054539), (27, 742083), (47, 426303), (57, 351513), (81, 247361), (141, 142101), (171, 117171), (277, 72333), (423, 47367), (513, 39057), (831, 24111), (893, 22437), (1269, 15789), (1539, 13019), (2493, 8037), (2679, 7479), (3807, 5263)]