20219484960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{86143}}^1$

素因数の和:86327

約数の個数: 144

約数和(自身を含む): 69423105024

約数和(自身を除く): 49203620064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 326, 360, 480, 489, 652, 720, 815, 978, 1304, 1440, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5216, 5868, 6520, 7335, 7824, 9780, 11736, 13040, 14670, 15648, 19560, 23472, 26080, 29340, 39120, 46944, 58680, 78240, 86143, 117360, 172286, 234720, 258429, 344572, 430715, 516858, 689144, 775287, 861430, 1033716, 1292145, 1378288, 1550574, 1722860, 2067432, 2584290, 2756576, 3101148, 3445720, 3876435, 4134864, 5168580, 6202296, 6891440, 7752870, 8269728, 10337160, 12404592, 13782880, 14041309, 15505740, 20674320, 24809184, 28082618, 31011480, 41348640, 42123927, 56165236, 62022960, 70206545, 84247854, 112330472, 124045920, 126371781, 140413090, 168495708, 210619635, 224660944, 252743562, 280826180, 336991416, 421239270, 449321888, 505487124, 561652360, 631858905, 673982832, 842478540, 1010974248, 1123304720, 1263717810, 1347965664, 1684957080, 2021948496, 2246609440, 2527435620, 3369914160, 4043896992, 5054871240, 6739828320, 10109742480, 20219484960]

約数ペア:

[(1, 20219484960), (2, 10109742480), (3, 6739828320), (4, 5054871240), (5, 4043896992), (6, 3369914160), (8, 2527435620), (9, 2246609440), (10, 2021948496), (12, 1684957080), (15, 1347965664), (16, 1263717810), (18, 1123304720), (20, 1010974248), (24, 842478540), (30, 673982832), (32, 631858905), (36, 561652360), (40, 505487124), (45, 449321888), (48, 421239270), (60, 336991416), (72, 280826180), (80, 252743562), (90, 224660944), (96, 210619635), (120, 168495708), (144, 140413090), (160, 126371781), (163, 124045920), (180, 112330472), (240, 84247854), (288, 70206545), (326, 62022960), (360, 56165236), (480, 42123927), (489, 41348640), (652, 31011480), (720, 28082618), (815, 24809184), (978, 20674320), (1304, 15505740), (1440, 14041309), (1467, 13782880), (1630, 12404592), (1956, 10337160), (2445, 8269728), (2608, 7752870), (2934, 6891440), (3260, 6202296), (3912, 5168580), (4890, 4134864), (5216, 3876435), (5868, 3445720), (6520, 3101148), (7335, 2756576), (7824, 2584290), (9780, 2067432), (11736, 1722860), (13040, 1550574), (14670, 1378288), (15648, 1292145), (19560, 1033716), (23472, 861430), (26080, 775287), (29340, 689144), (39120, 516858), (46944, 430715), (58680, 344572), (78240, 258429), (86143, 234720), (117360, 172286)]