20743976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 45636480

約数和(自身を除く): 24892504

約数列:

[1, 2, 4, 8, 11, 22, 23, 37, 44, 46, 74, 88, 92, 148, 184, 253, 277, 296, 407, 506, 554, 814, 851, 1012, 1108, 1628, 1702, 2024, 2216, 3047, 3256, 3404, 6094, 6371, 6808, 9361, 10249, 12188, 12742, 18722, 20498, 24376, 25484, 37444, 40996, 50968, 70081, 74888, 81992, 112739, 140162, 225478, 235727, 280324, 450956, 471454, 560648, 901912, 942908, 1885816, 2592997, 5185994, 10371988, 20743976]

約数ペア:

[(1, 20743976), (2, 10371988), (4, 5185994), (8, 2592997), (11, 1885816), (22, 942908), (23, 901912), (37, 560648), (44, 471454), (46, 450956), (74, 280324), (88, 235727), (92, 225478), (148, 140162), (184, 112739), (253, 81992), (277, 74888), (296, 70081), (407, 50968), (506, 40996), (554, 37444), (814, 25484), (851, 24376), (1012, 20498), (1108, 18722), (1628, 12742), (1702, 12188), (2024, 10249), (2216, 9361), (3047, 6808), (3256, 6371), (3404, 6094)]