20051577

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8161}}^1$

素因数の和:8190

約数の個数: 32

約数和(自身を含む): 36565760

約数和(自身を除く): 16514183

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8161, 24483, 57127, 73449, 106093, 171381, 220347, 318279, 514143, 742651, 954837, 1542429, 2227953, 2864511, 6683859, 20051577]

約数ペア:

[(1, 20051577), (3, 6683859), (7, 2864511), (9, 2227953), (13, 1542429), (21, 954837), (27, 742651), (39, 514143), (63, 318279), (91, 220347), (117, 171381), (189, 106093), (273, 73449), (351, 57127), (819, 24483), (2457, 8161)]