20087617900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{11863}}^1$

素因数の和:11984

約数の個数: 144

約数和(自身を含む): 51901678080

約数和(自身を除く): 31814060180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 59, 70, 82, 100, 118, 140, 164, 175, 205, 236, 287, 295, 350, 410, 413, 574, 590, 700, 820, 826, 1025, 1148, 1180, 1435, 1475, 1652, 2050, 2065, 2419, 2870, 2950, 4100, 4130, 4838, 5740, 5900, 7175, 8260, 9676, 10325, 11863, 12095, 14350, 16933, 20650, 23726, 24190, 28700, 33866, 41300, 47452, 48380, 59315, 60475, 67732, 83041, 84665, 118630, 120950, 166082, 169330, 237260, 241900, 296575, 332164, 338660, 415205, 423325, 486383, 593150, 699917, 830410, 846650, 972766, 1186300, 1399834, 1660820, 1693300, 1945532, 2076025, 2431915, 2799668, 3404681, 3499585, 4152050, 4863830, 4899419, 6809362, 6999170, 8304100, 9727660, 9798838, 12159575, 13618724, 13998340, 17023405, 17497925, 19597676, 24319150, 24497095, 28696597, 34046810, 34995850, 48638300, 48994190, 57393194, 68093620, 69991700, 85117025, 97988380, 114786388, 122485475, 143482985, 170234050, 200876179, 244970950, 286965970, 340468100, 401752358, 489941900, 573931940, 717414925, 803504716, 1004380895, 1434829850, 2008761790, 2869659700, 4017523580, 5021904475, 10043808950, 20087617900]

約数ペア:

[(1, 20087617900), (2, 10043808950), (4, 5021904475), (5, 4017523580), (7, 2869659700), (10, 2008761790), (14, 1434829850), (20, 1004380895), (25, 803504716), (28, 717414925), (35, 573931940), (41, 489941900), (50, 401752358), (59, 340468100), (70, 286965970), (82, 244970950), (100, 200876179), (118, 170234050), (140, 143482985), (164, 122485475), (175, 114786388), (205, 97988380), (236, 85117025), (287, 69991700), (295, 68093620), (350, 57393194), (410, 48994190), (413, 48638300), (574, 34995850), (590, 34046810), (700, 28696597), (820, 24497095), (826, 24319150), (1025, 19597676), (1148, 17497925), (1180, 17023405), (1435, 13998340), (1475, 13618724), (1652, 12159575), (2050, 9798838), (2065, 9727660), (2419, 8304100), (2870, 6999170), (2950, 6809362), (4100, 4899419), (4130, 4863830), (4838, 4152050), (5740, 3499585), (5900, 3404681), (7175, 2799668), (8260, 2431915), (9676, 2076025), (10325, 1945532), (11863, 1693300), (12095, 1660820), (14350, 1399834), (16933, 1186300), (20650, 972766), (23726, 846650), (24190, 830410), (28700, 699917), (33866, 593150), (41300, 486383), (47452, 423325), (48380, 415205), (59315, 338660), (60475, 332164), (67732, 296575), (83041, 241900), (84665, 237260), (118630, 169330), (120950, 166082)]