20198976

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 168

約数和(自身を含む): 66019680

約数和(自身を除く): 45820704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 76, 84, 96, 98, 112, 113, 114, 133, 147, 152, 168, 192, 196, 224, 226, 228, 266, 294, 304, 336, 339, 392, 399, 448, 452, 456, 532, 588, 608, 672, 678, 784, 791, 798, 904, 912, 931, 1064, 1176, 1216, 1344, 1356, 1568, 1582, 1596, 1808, 1824, 1862, 2128, 2147, 2352, 2373, 2712, 2793, 3136, 3164, 3192, 3616, 3648, 3724, 4256, 4294, 4704, 4746, 5424, 5537, 5586, 6328, 6384, 6441, 7232, 7448, 8512, 8588, 9408, 9492, 10848, 11074, 11172, 12656, 12768, 12882, 14896, 15029, 16611, 17176, 18984, 21696, 22148, 22344, 25312, 25536, 25764, 29792, 30058, 33222, 34352, 37968, 44296, 44688, 45087, 50624, 51528, 59584, 60116, 66444, 68704, 75936, 88592, 89376, 90174, 103056, 105203, 120232, 132888, 137408, 151872, 177184, 178752, 180348, 206112, 210406, 240464, 265776, 315609, 354368, 360696, 412224, 420812, 480928, 531552, 631218, 721392, 841624, 961856, 1063104, 1262436, 1442784, 1683248, 2524872, 2885568, 3366496, 5049744, 6732992, 10099488, 20198976]

約数ペア:

[(1, 20198976), (2, 10099488), (3, 6732992), (4, 5049744), (6, 3366496), (7, 2885568), (8, 2524872), (12, 1683248), (14, 1442784), (16, 1262436), (19, 1063104), (21, 961856), (24, 841624), (28, 721392), (32, 631218), (38, 531552), (42, 480928), (48, 420812), (49, 412224), (56, 360696), (57, 354368), (64, 315609), (76, 265776), (84, 240464), (96, 210406), (98, 206112), (112, 180348), (113, 178752), (114, 177184), (133, 151872), (147, 137408), (152, 132888), (168, 120232), (192, 105203), (196, 103056), (224, 90174), (226, 89376), (228, 88592), (266, 75936), (294, 68704), (304, 66444), (336, 60116), (339, 59584), (392, 51528), (399, 50624), (448, 45087), (452, 44688), (456, 44296), (532, 37968), (588, 34352), (608, 33222), (672, 30058), (678, 29792), (784, 25764), (791, 25536), (798, 25312), (904, 22344), (912, 22148), (931, 21696), (1064, 18984), (1176, 17176), (1216, 16611), (1344, 15029), (1356, 14896), (1568, 12882), (1582, 12768), (1596, 12656), (1808, 11172), (1824, 11074), (1862, 10848), (2128, 9492), (2147, 9408), (2352, 8588), (2373, 8512), (2712, 7448), (2793, 7232), (3136, 6441), (3164, 6384), (3192, 6328), (3616, 5586), (3648, 5537), (3724, 5424), (4256, 4746), (4294, 4704)]