20722176

素因数分解:

$2^9\times 3^3\times {\mathrm{1499}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 61380000

約数和(自身を除く): 40657824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1499, 1536, 1728, 2304, 2998, 3456, 4497, 4608, 5996, 6912, 8994, 11992, 13491, 13824, 17988, 23984, 26982, 35976, 40473, 47968, 53964, 71952, 80946, 95936, 107928, 143904, 161892, 191872, 215856, 287808, 323784, 383744, 431712, 575616, 647568, 767488, 863424, 1151232, 1295136, 1726848, 2302464, 2590272, 3453696, 5180544, 6907392, 10361088, 20722176]

約数ペア:

[(1, 20722176), (2, 10361088), (3, 6907392), (4, 5180544), (6, 3453696), (8, 2590272), (9, 2302464), (12, 1726848), (16, 1295136), (18, 1151232), (24, 863424), (27, 767488), (32, 647568), (36, 575616), (48, 431712), (54, 383744), (64, 323784), (72, 287808), (96, 215856), (108, 191872), (128, 161892), (144, 143904), (192, 107928), (216, 95936), (256, 80946), (288, 71952), (384, 53964), (432, 47968), (512, 40473), (576, 35976), (768, 26982), (864, 23984), (1152, 17988), (1499, 13824), (1536, 13491), (1728, 11992), (2304, 8994), (2998, 6912), (3456, 5996), (4497, 4608)]