20809737

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 33586560

約数和(自身を除く): 12776823

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 587, 909, 1313, 1761, 2727, 3939, 5283, 7631, 11817, 15849, 22893, 35451, 59287, 68679, 177861, 206037, 533583, 770731, 1600749, 2312193, 6936579, 20809737]

約数ペア:

[(1, 20809737), (3, 6936579), (9, 2312193), (13, 1600749), (27, 770731), (39, 533583), (101, 206037), (117, 177861), (303, 68679), (351, 59287), (587, 35451), (909, 22893), (1313, 15849), (1761, 11817), (2727, 7631), (3939, 5283)]