20971060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 52617600

約数和(自身を除く): 31646540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 173, 190, 209, 220, 290, 319, 346, 380, 418, 551, 580, 638, 692, 836, 865, 1045, 1102, 1276, 1595, 1730, 1903, 2090, 2204, 2755, 3190, 3287, 3460, 3806, 4180, 5017, 5510, 6061, 6380, 6574, 7612, 9515, 10034, 11020, 12122, 13148, 16435, 19030, 20068, 24244, 25085, 30305, 32870, 36157, 38060, 50170, 55187, 60610, 65740, 72314, 95323, 100340, 110374, 121220, 144628, 180785, 190646, 220748, 275935, 361570, 381292, 476615, 551870, 723140, 953230, 1048553, 1103740, 1906460, 2097106, 4194212, 5242765, 10485530, 20971060]

約数ペア:

[(1, 20971060), (2, 10485530), (4, 5242765), (5, 4194212), (10, 2097106), (11, 1906460), (19, 1103740), (20, 1048553), (22, 953230), (29, 723140), (38, 551870), (44, 476615), (55, 381292), (58, 361570), (76, 275935), (95, 220748), (110, 190646), (116, 180785), (145, 144628), (173, 121220), (190, 110374), (209, 100340), (220, 95323), (290, 72314), (319, 65740), (346, 60610), (380, 55187), (418, 50170), (551, 38060), (580, 36157), (638, 32870), (692, 30305), (836, 25085), (865, 24244), (1045, 20068), (1102, 19030), (1276, 16435), (1595, 13148), (1730, 12122), (1903, 11020), (2090, 10034), (2204, 9515), (2755, 7612), (3190, 6574), (3287, 6380), (3460, 6061), (3806, 5510), (4180, 5017)]