20911878

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29789}}^1$

素因数の和:29813

約数の個数: 32

約数和(自身を含む): 50047200

約数和(自身を除く): 29135322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29789, 59578, 89367, 178734, 268101, 387257, 536202, 774514, 804303, 1161771, 1608606, 2323542, 3485313, 6970626, 10455939, 20911878]

約数ペア:

[(1, 20911878), (2, 10455939), (3, 6970626), (6, 3485313), (9, 2323542), (13, 1608606), (18, 1161771), (26, 804303), (27, 774514), (39, 536202), (54, 387257), (78, 268101), (117, 178734), (234, 89367), (351, 59578), (702, 29789)]