20485668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7912

約数の個数: 48

約数和(自身を含む): 56397824

約数和(自身を除く): 35912156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7867, 15734, 23601, 31468, 47202, 55069, 94404, 110138, 165207, 220276, 243877, 330414, 487754, 660828, 731631, 975508, 1463262, 1707139, 2926524, 3414278, 5121417, 6828556, 10242834, 20485668]

約数ペア:

[(1, 20485668), (2, 10242834), (3, 6828556), (4, 5121417), (6, 3414278), (7, 2926524), (12, 1707139), (14, 1463262), (21, 975508), (28, 731631), (31, 660828), (42, 487754), (62, 330414), (84, 243877), (93, 220276), (124, 165207), (186, 110138), (217, 94404), (372, 55069), (434, 47202), (651, 31468), (868, 23601), (1302, 15734), (2604, 7867)]