20185920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 168

約数和(自身を含む): 71481696

約数和(自身を除く): 51295776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 160, 163, 172, 180, 192, 215, 240, 258, 288, 320, 326, 344, 360, 387, 430, 480, 489, 516, 576, 645, 652, 688, 720, 774, 815, 860, 960, 978, 1032, 1290, 1304, 1376, 1440, 1467, 1548, 1630, 1720, 1935, 1956, 2064, 2445, 2580, 2608, 2752, 2880, 2934, 3096, 3260, 3440, 3870, 3912, 4128, 4890, 5160, 5216, 5868, 6192, 6520, 6880, 7009, 7335, 7740, 7824, 8256, 9780, 10320, 10432, 11736, 12384, 13040, 13760, 14018, 14670, 15480, 15648, 19560, 20640, 21027, 23472, 24768, 26080, 28036, 29340, 30960, 31296, 35045, 39120, 41280, 42054, 46944, 52160, 56072, 58680, 61920, 63081, 70090, 78240, 84108, 93888, 105135, 112144, 117360, 123840, 126162, 140180, 156480, 168216, 210270, 224288, 234720, 252324, 280360, 315405, 336432, 420540, 448576, 469440, 504648, 560720, 630810, 672864, 841080, 1009296, 1121440, 1261620, 1345728, 1682160, 2018592, 2242880, 2523240, 3364320, 4037184, 5046480, 6728640, 10092960, 20185920]

約数ペア:

[(1, 20185920), (2, 10092960), (3, 6728640), (4, 5046480), (5, 4037184), (6, 3364320), (8, 2523240), (9, 2242880), (10, 2018592), (12, 1682160), (15, 1345728), (16, 1261620), (18, 1121440), (20, 1009296), (24, 841080), (30, 672864), (32, 630810), (36, 560720), (40, 504648), (43, 469440), (45, 448576), (48, 420540), (60, 336432), (64, 315405), (72, 280360), (80, 252324), (86, 234720), (90, 224288), (96, 210270), (120, 168216), (129, 156480), (144, 140180), (160, 126162), (163, 123840), (172, 117360), (180, 112144), (192, 105135), (215, 93888), (240, 84108), (258, 78240), (288, 70090), (320, 63081), (326, 61920), (344, 58680), (360, 56072), (387, 52160), (430, 46944), (480, 42054), (489, 41280), (516, 39120), (576, 35045), (645, 31296), (652, 30960), (688, 29340), (720, 28036), (774, 26080), (815, 24768), (860, 23472), (960, 21027), (978, 20640), (1032, 19560), (1290, 15648), (1304, 15480), (1376, 14670), (1440, 14018), (1467, 13760), (1548, 13040), (1630, 12384), (1720, 11736), (1935, 10432), (1956, 10320), (2064, 9780), (2445, 8256), (2580, 7824), (2608, 7740), (2752, 7335), (2880, 7009), (2934, 6880), (3096, 6520), (3260, 6192), (3440, 5868), (3870, 5216), (3912, 5160), (4128, 4890)]