20860983

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 36631056

約数和(自身を除く): 15770073

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 1801, 3861, 5403, 11583, 16209, 19811, 23413, 48627, 59433, 70239, 145881, 178299, 210717, 257543, 534897, 632151, 772629, 1604691, 1896453, 2317887, 6953661, 20860983]

約数ペア:

[(1, 20860983), (3, 6953661), (9, 2317887), (11, 1896453), (13, 1604691), (27, 772629), (33, 632151), (39, 534897), (81, 257543), (99, 210717), (117, 178299), (143, 145881), (297, 70239), (351, 59433), (429, 48627), (891, 23413), (1053, 19811), (1287, 16209), (1801, 11583), (3861, 5403)]