20651752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{709}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 42429600

約数和(自身を除く): 21777848

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 331, 662, 709, 1324, 1418, 2648, 2836, 3641, 5672, 7282, 7799, 14564, 15598, 29128, 31196, 62392, 234679, 469358, 938716, 1877432, 2581469, 5162938, 10325876, 20651752]

約数ペア:

[(1, 20651752), (2, 10325876), (4, 5162938), (8, 2581469), (11, 1877432), (22, 938716), (44, 469358), (88, 234679), (331, 62392), (662, 31196), (709, 29128), (1324, 15598), (1418, 14564), (2648, 7799), (2836, 7282), (3641, 5672)]