20685060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 70866432

約数和(自身を除く): 50181372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 337, 341, 372, 396, 465, 495, 558, 620, 660, 674, 682, 930, 990, 1011, 1023, 1116, 1348, 1364, 1395, 1685, 1705, 1860, 1980, 2022, 2046, 2790, 3033, 3069, 3370, 3410, 3707, 4044, 4092, 5055, 5115, 5580, 6066, 6138, 6740, 6820, 7414, 10110, 10230, 10447, 11121, 12132, 12276, 14828, 15165, 15345, 18535, 20220, 20460, 20894, 22242, 30330, 30690, 31341, 33363, 37070, 41788, 44484, 52235, 55605, 60660, 61380, 62682, 66726, 74140, 94023, 104470, 111210, 114917, 125364, 133452, 156705, 166815, 188046, 208940, 222420, 229834, 313410, 333630, 344751, 376092, 459668, 470115, 574585, 626820, 667260, 689502, 940230, 1034253, 1149170, 1379004, 1723755, 1880460, 2068506, 2298340, 3447510, 4137012, 5171265, 6895020, 10342530, 20685060]

約数ペア:

[(1, 20685060), (2, 10342530), (3, 6895020), (4, 5171265), (5, 4137012), (6, 3447510), (9, 2298340), (10, 2068506), (11, 1880460), (12, 1723755), (15, 1379004), (18, 1149170), (20, 1034253), (22, 940230), (30, 689502), (31, 667260), (33, 626820), (36, 574585), (44, 470115), (45, 459668), (55, 376092), (60, 344751), (62, 333630), (66, 313410), (90, 229834), (93, 222420), (99, 208940), (110, 188046), (124, 166815), (132, 156705), (155, 133452), (165, 125364), (180, 114917), (186, 111210), (198, 104470), (220, 94023), (279, 74140), (310, 66726), (330, 62682), (337, 61380), (341, 60660), (372, 55605), (396, 52235), (465, 44484), (495, 41788), (558, 37070), (620, 33363), (660, 31341), (674, 30690), (682, 30330), (930, 22242), (990, 20894), (1011, 20460), (1023, 20220), (1116, 18535), (1348, 15345), (1364, 15165), (1395, 14828), (1685, 12276), (1705, 12132), (1860, 11121), (1980, 10447), (2022, 10230), (2046, 10110), (2790, 7414), (3033, 6820), (3069, 6740), (3370, 6138), (3410, 6066), (3707, 5580), (4044, 5115), (4092, 5055)]