20209728

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1$

素因数の和:1400

約数の個数: 112

約数和(自身を含む): 66714624

約数和(自身を除く): 46504896

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 132, 154, 168, 176, 192, 224, 231, 264, 308, 336, 352, 448, 462, 528, 616, 672, 704, 924, 1056, 1232, 1344, 1367, 1848, 2112, 2464, 2734, 3696, 4101, 4928, 5468, 7392, 8202, 9569, 10936, 14784, 15037, 16404, 19138, 21872, 28707, 30074, 32808, 38276, 43744, 45111, 57414, 60148, 65616, 76552, 87488, 90222, 105259, 114828, 120296, 131232, 153104, 180444, 210518, 229656, 240592, 262464, 306208, 315777, 360888, 421036, 459312, 481184, 612416, 631554, 721776, 842072, 918624, 962368, 1263108, 1443552, 1684144, 1837248, 2526216, 2887104, 3368288, 5052432, 6736576, 10104864, 20209728]

約数ペア:

[(1, 20209728), (2, 10104864), (3, 6736576), (4, 5052432), (6, 3368288), (7, 2887104), (8, 2526216), (11, 1837248), (12, 1684144), (14, 1443552), (16, 1263108), (21, 962368), (22, 918624), (24, 842072), (28, 721776), (32, 631554), (33, 612416), (42, 481184), (44, 459312), (48, 421036), (56, 360888), (64, 315777), (66, 306208), (77, 262464), (84, 240592), (88, 229656), (96, 210518), (112, 180444), (132, 153104), (154, 131232), (168, 120296), (176, 114828), (192, 105259), (224, 90222), (231, 87488), (264, 76552), (308, 65616), (336, 60148), (352, 57414), (448, 45111), (462, 43744), (528, 38276), (616, 32808), (672, 30074), (704, 28707), (924, 21872), (1056, 19138), (1232, 16404), (1344, 15037), (1367, 14784), (1848, 10936), (2112, 9569), (2464, 8202), (2734, 7392), (3696, 5468), (4101, 4928)]