20747544

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 34375656

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 173, 228, 263, 346, 456, 519, 526, 692, 789, 1038, 1052, 1384, 1578, 2076, 2104, 3156, 3287, 4152, 4997, 6312, 6574, 9861, 9994, 13148, 14991, 19722, 19988, 26296, 29982, 39444, 39976, 45499, 59964, 78888, 90998, 119928, 136497, 181996, 272994, 363992, 545988, 864481, 1091976, 1728962, 2593443, 3457924, 5186886, 6915848, 10373772, 20747544]

約数ペア:

[(1, 20747544), (2, 10373772), (3, 6915848), (4, 5186886), (6, 3457924), (8, 2593443), (12, 1728962), (19, 1091976), (24, 864481), (38, 545988), (57, 363992), (76, 272994), (114, 181996), (152, 136497), (173, 119928), (228, 90998), (263, 78888), (346, 59964), (456, 45499), (519, 39976), (526, 39444), (692, 29982), (789, 26296), (1038, 19988), (1052, 19722), (1384, 14991), (1578, 13148), (2076, 9994), (2104, 9861), (3156, 6574), (3287, 6312), (4152, 4997)]