16554260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 37149840

約数和(自身を除く): 20595580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 269, 340, 362, 538, 724, 905, 1076, 1345, 1810, 2690, 3077, 3620, 4573, 5380, 6154, 9146, 12308, 15385, 18292, 22865, 30770, 45730, 48689, 61540, 91460, 97378, 194756, 243445, 486890, 827713, 973780, 1655426, 3310852, 4138565, 8277130, 16554260]

約数ペア:

[(1, 16554260), (2, 8277130), (4, 4138565), (5, 3310852), (10, 1655426), (17, 973780), (20, 827713), (34, 486890), (68, 243445), (85, 194756), (170, 97378), (181, 91460), (269, 61540), (340, 48689), (362, 45730), (538, 30770), (724, 22865), (905, 18292), (1076, 15385), (1345, 12308), (1810, 9146), (2690, 6154), (3077, 5380), (3620, 4573)]