20179954528

素因数分解:

$2^5\times {\mathrm{173}}^1\times {\mathrm{1307}}^1\times {\mathrm{2789}}^1$

素因数の和:4279

約数の個数: 48

約数和(自身を含む): 40003845840

約数和(自身を除く): 19823891312

約数列:

[1, 2, 4, 8, 16, 32, 173, 346, 692, 1307, 1384, 2614, 2768, 2789, 5228, 5536, 5578, 10456, 11156, 20912, 22312, 41824, 44624, 89248, 226111, 452222, 482497, 904444, 964994, 1808888, 1929988, 3617776, 3645223, 3859976, 7235552, 7290446, 7719952, 14580892, 15439904, 29161784, 58323568, 116647136, 630623579, 1261247158, 2522494316, 5044988632, 10089977264, 20179954528]

約数ペア:

[(1, 20179954528), (2, 10089977264), (4, 5044988632), (8, 2522494316), (16, 1261247158), (32, 630623579), (173, 116647136), (346, 58323568), (692, 29161784), (1307, 15439904), (1384, 14580892), (2614, 7719952), (2768, 7290446), (2789, 7235552), (5228, 3859976), (5536, 3645223), (5578, 3617776), (10456, 1929988), (11156, 1808888), (20912, 964994), (22312, 904444), (41824, 482497), (44624, 452222), (89248, 226111)]