20994048

素因数分解:

$2^{11}\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 144

約数和(自身を含む): 65159640

約数和(自身を除く): 44165592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 67, 68, 72, 96, 102, 128, 134, 136, 144, 153, 192, 201, 204, 256, 268, 272, 288, 306, 384, 402, 408, 512, 536, 544, 576, 603, 612, 768, 804, 816, 1024, 1072, 1088, 1139, 1152, 1206, 1224, 1536, 1608, 1632, 2048, 2144, 2176, 2278, 2304, 2412, 2448, 3072, 3216, 3264, 3417, 4288, 4352, 4556, 4608, 4824, 4896, 6144, 6432, 6528, 6834, 8576, 8704, 9112, 9216, 9648, 9792, 10251, 12864, 13056, 13668, 17152, 17408, 18224, 18432, 19296, 19584, 20502, 25728, 26112, 27336, 34304, 34816, 36448, 38592, 39168, 41004, 51456, 52224, 54672, 68608, 72896, 77184, 78336, 82008, 102912, 104448, 109344, 137216, 145792, 154368, 156672, 164016, 205824, 218688, 291584, 308736, 313344, 328032, 411648, 437376, 583168, 617472, 656064, 874752, 1166336, 1234944, 1312128, 1749504, 2332672, 2624256, 3499008, 5248512, 6998016, 10497024, 20994048]

約数ペア:

[(1, 20994048), (2, 10497024), (3, 6998016), (4, 5248512), (6, 3499008), (8, 2624256), (9, 2332672), (12, 1749504), (16, 1312128), (17, 1234944), (18, 1166336), (24, 874752), (32, 656064), (34, 617472), (36, 583168), (48, 437376), (51, 411648), (64, 328032), (67, 313344), (68, 308736), (72, 291584), (96, 218688), (102, 205824), (128, 164016), (134, 156672), (136, 154368), (144, 145792), (153, 137216), (192, 109344), (201, 104448), (204, 102912), (256, 82008), (268, 78336), (272, 77184), (288, 72896), (306, 68608), (384, 54672), (402, 52224), (408, 51456), (512, 41004), (536, 39168), (544, 38592), (576, 36448), (603, 34816), (612, 34304), (768, 27336), (804, 26112), (816, 25728), (1024, 20502), (1072, 19584), (1088, 19296), (1139, 18432), (1152, 18224), (1206, 17408), (1224, 17152), (1536, 13668), (1608, 13056), (1632, 12864), (2048, 10251), (2144, 9792), (2176, 9648), (2278, 9216), (2304, 9112), (2412, 8704), (2448, 8576), (3072, 6834), (3216, 6528), (3264, 6432), (3417, 6144), (4288, 4896), (4352, 4824), (4556, 4608)]