20793429

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 33396000

約数和(自身を除く): 12602571

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 171, 177, 229, 513, 531, 687, 1121, 1539, 1593, 2061, 3363, 4351, 4779, 6183, 10089, 13053, 13511, 18549, 30267, 39159, 40533, 90801, 117477, 121599, 256709, 352431, 364797, 770127, 1094391, 2310381, 6931143, 20793429]

約数ペア:

[(1, 20793429), (3, 6931143), (9, 2310381), (19, 1094391), (27, 770127), (57, 364797), (59, 352431), (81, 256709), (171, 121599), (177, 117477), (229, 90801), (513, 40533), (531, 39159), (687, 30267), (1121, 18549), (1539, 13511), (1593, 13053), (2061, 10089), (3363, 6183), (4351, 4779)]