20610800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 60058656

約数和(自身を除く): 39447856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 170, 175, 200, 238, 272, 280, 340, 350, 400, 425, 433, 476, 560, 595, 680, 700, 850, 866, 952, 1190, 1360, 1400, 1700, 1732, 1904, 2165, 2380, 2800, 2975, 3031, 3400, 3464, 4330, 4760, 5950, 6062, 6800, 6928, 7361, 8660, 9520, 10825, 11900, 12124, 14722, 15155, 17320, 21650, 23800, 24248, 29444, 30310, 34640, 36805, 43300, 47600, 48496, 51527, 58888, 60620, 73610, 75775, 86600, 103054, 117776, 121240, 147220, 151550, 173200, 184025, 206108, 242480, 257635, 294440, 303100, 368050, 412216, 515270, 588880, 606200, 736100, 824432, 1030540, 1212400, 1288175, 1472200, 2061080, 2576350, 2944400, 4122160, 5152700, 10305400, 20610800]

約数ペア:

[(1, 20610800), (2, 10305400), (4, 5152700), (5, 4122160), (7, 2944400), (8, 2576350), (10, 2061080), (14, 1472200), (16, 1288175), (17, 1212400), (20, 1030540), (25, 824432), (28, 736100), (34, 606200), (35, 588880), (40, 515270), (50, 412216), (56, 368050), (68, 303100), (70, 294440), (80, 257635), (85, 242480), (100, 206108), (112, 184025), (119, 173200), (136, 151550), (140, 147220), (170, 121240), (175, 117776), (200, 103054), (238, 86600), (272, 75775), (280, 73610), (340, 60620), (350, 58888), (400, 51527), (425, 48496), (433, 47600), (476, 43300), (560, 36805), (595, 34640), (680, 30310), (700, 29444), (850, 24248), (866, 23800), (952, 21650), (1190, 17320), (1360, 15155), (1400, 14722), (1700, 12124), (1732, 11900), (1904, 10825), (2165, 9520), (2380, 8660), (2800, 7361), (2975, 6928), (3031, 6800), (3400, 6062), (3464, 5950), (4330, 4760)]