20257204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 41521536

約数和(自身を除く): 21264332

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 506, 541, 814, 851, 1012, 1082, 1628, 1702, 2164, 3404, 5951, 9361, 11902, 12443, 18722, 20017, 23804, 24886, 37444, 40034, 49772, 80068, 136873, 220187, 273746, 440374, 460391, 547492, 880748, 920782, 1841564, 5064301, 10128602, 20257204]

約数ペア:

[(1, 20257204), (2, 10128602), (4, 5064301), (11, 1841564), (22, 920782), (23, 880748), (37, 547492), (44, 460391), (46, 440374), (74, 273746), (92, 220187), (148, 136873), (253, 80068), (407, 49772), (506, 40034), (541, 37444), (814, 24886), (851, 23804), (1012, 20017), (1082, 18722), (1628, 12443), (1702, 11902), (2164, 9361), (3404, 5951)]