20881569258

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{1663}}^1\times {\mathrm{21139}}^1$

素因数の和:22824

約数の個数: 64

約数和(自身を含む): 50654822400

約数和(自身を除く): 29773253142

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 1663, 3326, 4989, 9978, 14967, 18293, 21139, 29934, 36586, 42278, 44901, 54879, 63417, 89802, 109758, 126834, 164637, 190251, 232529, 329274, 380502, 465058, 493911, 570753, 697587, 987822, 1141506, 1395174, 2092761, 4185522, 6278283, 12556566, 35154157, 70308314, 105462471, 210924942, 316387413, 386695727, 632774826, 773391454, 949162239, 1160087181, 1898324478, 2320174362, 3480261543, 6960523086, 10440784629, 20881569258]

約数ペア:

[(1, 20881569258), (2, 10440784629), (3, 6960523086), (6, 3480261543), (9, 2320174362), (11, 1898324478), (18, 1160087181), (22, 949162239), (27, 773391454), (33, 632774826), (54, 386695727), (66, 316387413), (99, 210924942), (198, 105462471), (297, 70308314), (594, 35154157), (1663, 12556566), (3326, 6278283), (4989, 4185522), (9978, 2092761), (14967, 1395174), (18293, 1141506), (21139, 987822), (29934, 697587), (36586, 570753), (42278, 493911), (44901, 465058), (54879, 380502), (63417, 329274), (89802, 232529), (109758, 190251), (126834, 164637)]