20959263

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 33716480

約数和(自身を除く): 12757217

約数列:

[1, 3, 9, 13, 27, 39, 117, 211, 283, 351, 633, 849, 1899, 2547, 2743, 3679, 5697, 7641, 8229, 11037, 24687, 33111, 59713, 74061, 99333, 179139, 537417, 776269, 1612251, 2328807, 6986421, 20959263]

約数ペア:

[(1, 20959263), (3, 6986421), (9, 2328807), (13, 1612251), (27, 776269), (39, 537417), (117, 179139), (211, 99333), (283, 74061), (351, 59713), (633, 33111), (849, 24687), (1899, 11037), (2547, 8229), (2743, 7641), (3679, 5697)]