20642013

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 35232000

約数和(自身を除く): 14589987

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 733, 1043, 1341, 2199, 3129, 4023, 5131, 6597, 9387, 15393, 19791, 28161, 46179, 109217, 138537, 327651, 764519, 982953, 2293557, 2948859, 6880671, 20642013]

約数ペア:

[(1, 20642013), (3, 6880671), (7, 2948859), (9, 2293557), (21, 982953), (27, 764519), (63, 327651), (149, 138537), (189, 109217), (447, 46179), (733, 28161), (1043, 19791), (1341, 15393), (2199, 9387), (3129, 6597), (4023, 5131)]