20781888

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{6367}}^1$

素因数の和:6399

約数の個数: 56

約数和(自身を含む): 58228992

約数和(自身を除く): 37447104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 136, 192, 204, 272, 408, 544, 816, 1088, 1632, 3264, 6367, 12734, 19101, 25468, 38202, 50936, 76404, 101872, 108239, 152808, 203744, 216478, 305616, 324717, 407488, 432956, 611232, 649434, 865912, 1222464, 1298868, 1731824, 2597736, 3463648, 5195472, 6927296, 10390944, 20781888]

約数ペア:

[(1, 20781888), (2, 10390944), (3, 6927296), (4, 5195472), (6, 3463648), (8, 2597736), (12, 1731824), (16, 1298868), (17, 1222464), (24, 865912), (32, 649434), (34, 611232), (48, 432956), (51, 407488), (64, 324717), (68, 305616), (96, 216478), (102, 203744), (136, 152808), (192, 108239), (204, 101872), (272, 76404), (408, 50936), (544, 38202), (816, 25468), (1088, 19101), (1632, 12734), (3264, 6367)]