20177760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 64253952

約数和(自身を除く): 44076192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 127, 160, 240, 254, 331, 381, 480, 508, 635, 662, 762, 993, 1016, 1270, 1324, 1524, 1655, 1905, 1986, 2032, 2540, 2648, 3048, 3310, 3810, 3972, 4064, 4965, 5080, 5296, 6096, 6620, 7620, 7944, 9930, 10160, 10592, 12192, 13240, 15240, 15888, 19860, 20320, 26480, 30480, 31776, 39720, 42037, 52960, 60960, 79440, 84074, 126111, 158880, 168148, 210185, 252222, 336296, 420370, 504444, 630555, 672592, 840740, 1008888, 1261110, 1345184, 1681480, 2017776, 2522220, 3362960, 4035552, 5044440, 6725920, 10088880, 20177760]

約数ペア:

[(1, 20177760), (2, 10088880), (3, 6725920), (4, 5044440), (5, 4035552), (6, 3362960), (8, 2522220), (10, 2017776), (12, 1681480), (15, 1345184), (16, 1261110), (20, 1008888), (24, 840740), (30, 672592), (32, 630555), (40, 504444), (48, 420370), (60, 336296), (80, 252222), (96, 210185), (120, 168148), (127, 158880), (160, 126111), (240, 84074), (254, 79440), (331, 60960), (381, 52960), (480, 42037), (508, 39720), (635, 31776), (662, 30480), (762, 26480), (993, 20320), (1016, 19860), (1270, 15888), (1324, 15240), (1524, 13240), (1655, 12192), (1905, 10592), (1986, 10160), (2032, 9930), (2540, 7944), (2648, 7620), (3048, 6620), (3310, 6096), (3810, 5296), (3972, 5080), (4064, 4965)]