20201005144

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{4019}}^1\times {\mathrm{16981}}^1$

素因数の和:21043

約数の個数: 32

約数和(自身を含む): 38912554800

約数和(自身を除く): 18711549656

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 4019, 8038, 16076, 16981, 32152, 33962, 67924, 135848, 148703, 297406, 594812, 628297, 1189624, 1256594, 2513188, 5026376, 68246639, 136493278, 272986556, 545973112, 2525125643, 5050251286, 10100502572, 20201005144]

約数ペア:

[(1, 20201005144), (2, 10100502572), (4, 5050251286), (8, 2525125643), (37, 545973112), (74, 272986556), (148, 136493278), (296, 68246639), (4019, 5026376), (8038, 2513188), (16076, 1256594), (16981, 1189624), (32152, 628297), (33962, 594812), (67924, 297406), (135848, 148703)]