20507432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{587}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 42124320

約数和(自身を除く): 21616888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 397, 587, 794, 1174, 1588, 2348, 3176, 4367, 4696, 6457, 8734, 12914, 17468, 25828, 34936, 51656, 233039, 466078, 932156, 1864312, 2563429, 5126858, 10253716, 20507432]

約数ペア:

[(1, 20507432), (2, 10253716), (4, 5126858), (8, 2563429), (11, 1864312), (22, 932156), (44, 466078), (88, 233039), (397, 51656), (587, 34936), (794, 25828), (1174, 17468), (1588, 12914), (2348, 8734), (3176, 6457), (4367, 4696)]