20217792

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 112

約数和(自身を含む): 62585600

約数和(自身を除く): 42367808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 307, 336, 343, 392, 448, 588, 614, 672, 686, 784, 921, 1029, 1176, 1228, 1344, 1372, 1568, 1842, 2058, 2149, 2352, 2456, 2744, 3136, 3684, 4116, 4298, 4704, 4912, 5488, 6447, 7368, 8232, 8596, 9408, 9824, 10976, 12894, 14736, 15043, 16464, 17192, 19648, 21952, 25788, 29472, 30086, 32928, 34384, 45129, 51576, 58944, 60172, 65856, 68768, 90258, 103152, 105301, 120344, 137536, 180516, 206304, 210602, 240688, 315903, 361032, 412608, 421204, 481376, 631806, 722064, 842408, 962752, 1263612, 1444128, 1684816, 2527224, 2888256, 3369632, 5054448, 6739264, 10108896, 20217792]

約数ペア:

[(1, 20217792), (2, 10108896), (3, 6739264), (4, 5054448), (6, 3369632), (7, 2888256), (8, 2527224), (12, 1684816), (14, 1444128), (16, 1263612), (21, 962752), (24, 842408), (28, 722064), (32, 631806), (42, 481376), (48, 421204), (49, 412608), (56, 361032), (64, 315903), (84, 240688), (96, 210602), (98, 206304), (112, 180516), (147, 137536), (168, 120344), (192, 105301), (196, 103152), (224, 90258), (294, 68768), (307, 65856), (336, 60172), (343, 58944), (392, 51576), (448, 45129), (588, 34384), (614, 32928), (672, 30086), (686, 29472), (784, 25788), (921, 21952), (1029, 19648), (1176, 17192), (1228, 16464), (1344, 15043), (1372, 14736), (1568, 12894), (1842, 10976), (2058, 9824), (2149, 9408), (2352, 8596), (2456, 8232), (2744, 7368), (3136, 6447), (3684, 5488), (4116, 4912), (4298, 4704)]