20675564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 24482836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 719, 1027, 1106, 1438, 2054, 2212, 2876, 4108, 5033, 7189, 9347, 10066, 14378, 18694, 20132, 28756, 37388, 56801, 65429, 113602, 130858, 227204, 261716, 397607, 738413, 795214, 1476826, 1590428, 2953652, 5168891, 10337782, 20675564]

約数ペア:

[(1, 20675564), (2, 10337782), (4, 5168891), (7, 2953652), (13, 1590428), (14, 1476826), (26, 795214), (28, 738413), (52, 397607), (79, 261716), (91, 227204), (158, 130858), (182, 113602), (316, 65429), (364, 56801), (553, 37388), (719, 28756), (1027, 20132), (1106, 18694), (1438, 14378), (2054, 10066), (2212, 9347), (2876, 7189), (4108, 5033)]