20912474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 36706176

約数和(自身を除く): 15793702

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1117, 1702, 2234, 9361, 12287, 18722, 24574, 25691, 41329, 51382, 82658, 282601, 454619, 565202, 909238, 950567, 1901134, 10456237, 20912474]

約数ペア:

[(1, 20912474), (2, 10456237), (11, 1901134), (22, 950567), (23, 909238), (37, 565202), (46, 454619), (74, 282601), (253, 82658), (407, 51382), (506, 41329), (814, 25691), (851, 24574), (1117, 18722), (1702, 12287), (2234, 9361)]