20185697776

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{7723}}^1$

素因数の和:7934

約数の個数: 80

約数和(自身を含む): 41720722560

約数和(自身を除く): 21535024784

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 131, 172, 232, 262, 344, 464, 524, 688, 1048, 1247, 2096, 2494, 3799, 4988, 5633, 7598, 7723, 9976, 11266, 15196, 15446, 19952, 22532, 30392, 30892, 45064, 60784, 61784, 90128, 123568, 163357, 223967, 326714, 332089, 447934, 653428, 664178, 895868, 1011713, 1306856, 1328356, 1791736, 2023426, 2613712, 2656712, 3583472, 4046852, 5313424, 8093704, 9630581, 16187408, 19261162, 29339677, 38522324, 43503659, 58679354, 77044648, 87007318, 117358708, 154089296, 174014636, 234717416, 348029272, 469434832, 696058544, 1261606111, 2523212222, 5046424444, 10092848888, 20185697776]

約数ペア:

[(1, 20185697776), (2, 10092848888), (4, 5046424444), (8, 2523212222), (16, 1261606111), (29, 696058544), (43, 469434832), (58, 348029272), (86, 234717416), (116, 174014636), (131, 154089296), (172, 117358708), (232, 87007318), (262, 77044648), (344, 58679354), (464, 43503659), (524, 38522324), (688, 29339677), (1048, 19261162), (1247, 16187408), (2096, 9630581), (2494, 8093704), (3799, 5313424), (4988, 4046852), (5633, 3583472), (7598, 2656712), (7723, 2613712), (9976, 2023426), (11266, 1791736), (15196, 1328356), (15446, 1306856), (19952, 1011713), (22532, 895868), (30392, 664178), (30892, 653428), (45064, 447934), (60784, 332089), (61784, 326714), (90128, 223967), (123568, 163357)]