20969013

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 30831840

約数和(自身を除く): 9862827

約数列:

[1, 3, 13, 39, 59, 169, 177, 507, 701, 767, 2103, 2301, 9113, 9971, 27339, 29913, 41359, 118469, 124077, 355407, 537667, 1613001, 6989671, 20969013]

約数ペア:

[(1, 20969013), (3, 6989671), (13, 1613001), (39, 537667), (59, 355407), (169, 124077), (177, 118469), (507, 41359), (701, 29913), (767, 27339), (2103, 9971), (2301, 9113)]