20895312

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{883}}^1$

素因数の和:940

約数の個数: 80

約数和(自身を含む): 59192640

約数和(自身を除く): 38297328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 34, 48, 51, 58, 68, 87, 102, 116, 136, 174, 204, 232, 272, 348, 408, 464, 493, 696, 816, 883, 986, 1392, 1479, 1766, 1972, 2649, 2958, 3532, 3944, 5298, 5916, 7064, 7888, 10596, 11832, 14128, 15011, 21192, 23664, 25607, 30022, 42384, 45033, 51214, 60044, 76821, 90066, 102428, 120088, 153642, 180132, 204856, 240176, 307284, 360264, 409712, 435319, 614568, 720528, 870638, 1229136, 1305957, 1741276, 2611914, 3482552, 5223828, 6965104, 10447656, 20895312]

約数ペア:

[(1, 20895312), (2, 10447656), (3, 6965104), (4, 5223828), (6, 3482552), (8, 2611914), (12, 1741276), (16, 1305957), (17, 1229136), (24, 870638), (29, 720528), (34, 614568), (48, 435319), (51, 409712), (58, 360264), (68, 307284), (87, 240176), (102, 204856), (116, 180132), (136, 153642), (174, 120088), (204, 102428), (232, 90066), (272, 76821), (348, 60044), (408, 51214), (464, 45033), (493, 42384), (696, 30022), (816, 25607), (883, 23664), (986, 21192), (1392, 15011), (1479, 14128), (1766, 11832), (1972, 10596), (2649, 7888), (2958, 7064), (3532, 5916), (3944, 5298)]