20690088

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 58207200

約数和(自身を除く): 37517112

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 157, 204, 228, 289, 314, 323, 408, 456, 471, 578, 628, 646, 867, 942, 969, 1156, 1256, 1292, 1734, 1884, 1938, 2312, 2584, 2669, 2983, 3468, 3768, 3876, 5338, 5491, 5966, 6936, 7752, 8007, 8949, 10676, 10982, 11932, 16014, 16473, 17898, 21352, 21964, 23864, 32028, 32946, 35796, 43928, 45373, 50711, 64056, 65892, 71592, 90746, 101422, 131784, 136119, 152133, 181492, 202844, 272238, 304266, 362984, 405688, 544476, 608532, 862087, 1088952, 1217064, 1724174, 2586261, 3448348, 5172522, 6896696, 10345044, 20690088]

約数ペア:

[(1, 20690088), (2, 10345044), (3, 6896696), (4, 5172522), (6, 3448348), (8, 2586261), (12, 1724174), (17, 1217064), (19, 1088952), (24, 862087), (34, 608532), (38, 544476), (51, 405688), (57, 362984), (68, 304266), (76, 272238), (102, 202844), (114, 181492), (136, 152133), (152, 136119), (157, 131784), (204, 101422), (228, 90746), (289, 71592), (314, 65892), (323, 64056), (408, 50711), (456, 45373), (471, 43928), (578, 35796), (628, 32946), (646, 32028), (867, 23864), (942, 21964), (969, 21352), (1156, 17898), (1256, 16473), (1292, 16014), (1734, 11932), (1884, 10982), (1938, 10676), (2312, 8949), (2584, 8007), (2669, 7752), (2983, 6936), (3468, 5966), (3768, 5491), (3876, 5338)]