20089920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1268

約数の個数: 112

約数和(自身を含む): 67592448

約数和(自身を除く): 47502528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1231, 1360, 1632, 2040, 2462, 2720, 3264, 3693, 4080, 4924, 5440, 6155, 7386, 8160, 9848, 12310, 14772, 16320, 18465, 19696, 20927, 24620, 29544, 36930, 39392, 41854, 49240, 59088, 62781, 73860, 78784, 83708, 98480, 104635, 118176, 125562, 147720, 167416, 196960, 209270, 236352, 251124, 295440, 313905, 334832, 393920, 418540, 502248, 590880, 627810, 669664, 837080, 1004496, 1181760, 1255620, 1339328, 1674160, 2008992, 2511240, 3348320, 4017984, 5022480, 6696640, 10044960, 20089920]

約数ペア:

[(1, 20089920), (2, 10044960), (3, 6696640), (4, 5022480), (5, 4017984), (6, 3348320), (8, 2511240), (10, 2008992), (12, 1674160), (15, 1339328), (16, 1255620), (17, 1181760), (20, 1004496), (24, 837080), (30, 669664), (32, 627810), (34, 590880), (40, 502248), (48, 418540), (51, 393920), (60, 334832), (64, 313905), (68, 295440), (80, 251124), (85, 236352), (96, 209270), (102, 196960), (120, 167416), (136, 147720), (160, 125562), (170, 118176), (192, 104635), (204, 98480), (240, 83708), (255, 78784), (272, 73860), (320, 62781), (340, 59088), (408, 49240), (480, 41854), (510, 39392), (544, 36930), (680, 29544), (816, 24620), (960, 20927), (1020, 19696), (1088, 18465), (1231, 16320), (1360, 14772), (1632, 12310), (2040, 9848), (2462, 8160), (2720, 7386), (3264, 6155), (3693, 5440), (4080, 4924)]