20645589195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2371}}^1$

素因数の和:2766

約数の個数: 144

約数和(自身を含む): 45558339840

約数和(自身を除く): 24912750645

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 231, 245, 315, 359, 385, 441, 495, 539, 693, 735, 1077, 1155, 1617, 1795, 2205, 2371, 2513, 2695, 3231, 3465, 3949, 4851, 5385, 7113, 7539, 8085, 11847, 11855, 12565, 16155, 16597, 17591, 19745, 21339, 22617, 24255, 26081, 27643, 35541, 35565, 37695, 49791, 52773, 59235, 78243, 82929, 82985, 87955, 106695, 113085, 116179, 130405, 138215, 149373, 158319, 177705, 182567, 193501, 234729, 248787, 248955, 263865, 348537, 391215, 414645, 547701, 580503, 580895, 746865, 791595, 851189, 912835, 967505, 1045611, 1173645, 1243935, 1277969, 1643103, 1741509, 1742685, 2553567, 2738505, 2902515, 3833907, 4255945, 5228055, 5958323, 6389845, 7660701, 8215515, 8707545, 9363079, 11501721, 12767835, 17874969, 19169535, 28089237, 29791615, 38303505, 41708261, 46815395, 53624907, 57508605, 65541553, 84267711, 89374845, 125124783, 140446185, 196624659, 208541305, 268124535, 327707765, 375374349, 421338555, 458790871, 589873977, 625623915, 983123295, 1376372613, 1876871745, 2293954355, 2949369885, 4129117839, 6881863065, 20645589195]

約数ペア:

[(1, 20645589195), (3, 6881863065), (5, 4129117839), (7, 2949369885), (9, 2293954355), (11, 1876871745), (15, 1376372613), (21, 983123295), (33, 625623915), (35, 589873977), (45, 458790871), (49, 421338555), (55, 375374349), (63, 327707765), (77, 268124535), (99, 208541305), (105, 196624659), (147, 140446185), (165, 125124783), (231, 89374845), (245, 84267711), (315, 65541553), (359, 57508605), (385, 53624907), (441, 46815395), (495, 41708261), (539, 38303505), (693, 29791615), (735, 28089237), (1077, 19169535), (1155, 17874969), (1617, 12767835), (1795, 11501721), (2205, 9363079), (2371, 8707545), (2513, 8215515), (2695, 7660701), (3231, 6389845), (3465, 5958323), (3949, 5228055), (4851, 4255945), (5385, 3833907), (7113, 2902515), (7539, 2738505), (8085, 2553567), (11847, 1742685), (11855, 1741509), (12565, 1643103), (16155, 1277969), (16597, 1243935), (17591, 1173645), (19745, 1045611), (21339, 967505), (22617, 912835), (24255, 851189), (26081, 791595), (27643, 746865), (35541, 580895), (35565, 580503), (37695, 547701), (49791, 414645), (52773, 391215), (59235, 348537), (78243, 263865), (82929, 248955), (82985, 248787), (87955, 234729), (106695, 193501), (113085, 182567), (116179, 177705), (130405, 158319), (138215, 149373)]