20469360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 160

約数和(自身を含む): 69906240

約数和(自身を除く): 49436880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 170, 173, 174, 204, 232, 240, 255, 272, 290, 340, 346, 348, 408, 435, 464, 493, 510, 519, 580, 680, 692, 696, 816, 865, 870, 986, 1020, 1038, 1160, 1360, 1384, 1392, 1479, 1730, 1740, 1972, 2040, 2076, 2320, 2465, 2595, 2768, 2941, 2958, 3460, 3480, 3944, 4080, 4152, 4930, 5017, 5190, 5882, 5916, 6920, 6960, 7395, 7888, 8304, 8823, 9860, 10034, 10380, 11764, 11832, 13840, 14705, 14790, 15051, 17646, 19720, 20068, 20760, 23528, 23664, 25085, 29410, 29580, 30102, 35292, 39440, 40136, 41520, 44115, 47056, 50170, 58820, 59160, 60204, 70584, 75255, 80272, 85289, 88230, 100340, 117640, 118320, 120408, 141168, 150510, 170578, 176460, 200680, 235280, 240816, 255867, 301020, 341156, 352920, 401360, 426445, 511734, 602040, 682312, 705840, 852890, 1023468, 1204080, 1279335, 1364624, 1705780, 2046936, 2558670, 3411560, 4093872, 5117340, 6823120, 10234680, 20469360]

約数ペア:

[(1, 20469360), (2, 10234680), (3, 6823120), (4, 5117340), (5, 4093872), (6, 3411560), (8, 2558670), (10, 2046936), (12, 1705780), (15, 1364624), (16, 1279335), (17, 1204080), (20, 1023468), (24, 852890), (29, 705840), (30, 682312), (34, 602040), (40, 511734), (48, 426445), (51, 401360), (58, 352920), (60, 341156), (68, 301020), (80, 255867), (85, 240816), (87, 235280), (102, 200680), (116, 176460), (120, 170578), (136, 150510), (145, 141168), (170, 120408), (173, 118320), (174, 117640), (204, 100340), (232, 88230), (240, 85289), (255, 80272), (272, 75255), (290, 70584), (340, 60204), (346, 59160), (348, 58820), (408, 50170), (435, 47056), (464, 44115), (493, 41520), (510, 40136), (519, 39440), (580, 35292), (680, 30102), (692, 29580), (696, 29410), (816, 25085), (865, 23664), (870, 23528), (986, 20760), (1020, 20068), (1038, 19720), (1160, 17646), (1360, 15051), (1384, 14790), (1392, 14705), (1479, 13840), (1730, 11832), (1740, 11764), (1972, 10380), (2040, 10034), (2076, 9860), (2320, 8823), (2465, 8304), (2595, 7888), (2768, 7395), (2941, 6960), (2958, 6920), (3460, 5916), (3480, 5882), (3944, 5190), (4080, 5017), (4152, 4930)]