20857848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 59546880

約数和(自身を除く): 38689032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 47, 66, 82, 88, 94, 123, 132, 141, 164, 188, 246, 264, 282, 328, 376, 451, 492, 517, 564, 902, 984, 1034, 1128, 1353, 1551, 1681, 1804, 1927, 2068, 2706, 3102, 3362, 3608, 3854, 4136, 5043, 5412, 5781, 6204, 6724, 7708, 10086, 10824, 11562, 12408, 13448, 15416, 18491, 20172, 21197, 23124, 36982, 40344, 42394, 46248, 55473, 63591, 73964, 79007, 84788, 110946, 127182, 147928, 158014, 169576, 221892, 237021, 254364, 316028, 443784, 474042, 508728, 632056, 869077, 948084, 1738154, 1896168, 2607231, 3476308, 5214462, 6952616, 10428924, 20857848]

約数ペア:

[(1, 20857848), (2, 10428924), (3, 6952616), (4, 5214462), (6, 3476308), (8, 2607231), (11, 1896168), (12, 1738154), (22, 948084), (24, 869077), (33, 632056), (41, 508728), (44, 474042), (47, 443784), (66, 316028), (82, 254364), (88, 237021), (94, 221892), (123, 169576), (132, 158014), (141, 147928), (164, 127182), (188, 110946), (246, 84788), (264, 79007), (282, 73964), (328, 63591), (376, 55473), (451, 46248), (492, 42394), (517, 40344), (564, 36982), (902, 23124), (984, 21197), (1034, 20172), (1128, 18491), (1353, 15416), (1551, 13448), (1681, 12408), (1804, 11562), (1927, 10824), (2068, 10086), (2706, 7708), (3102, 6724), (3362, 6204), (3608, 5781), (3854, 5412), (4136, 5043)]