20425392

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3667

約数の個数: 80

約数和(自身を含む): 63155680

約数和(自身を除く): 42730288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 3637, 5616, 7274, 10911, 14548, 21822, 29096, 32733, 43644, 47281, 58192, 65466, 87288, 94562, 98199, 130932, 141843, 174576, 189124, 196398, 261864, 283686, 378248, 392796, 425529, 523728, 567372, 756496, 785592, 851058, 1134744, 1276587, 1571184, 1702116, 2269488, 2553174, 3404232, 5106348, 6808464, 10212696, 20425392]

約数ペア:

[(1, 20425392), (2, 10212696), (3, 6808464), (4, 5106348), (6, 3404232), (8, 2553174), (9, 2269488), (12, 1702116), (13, 1571184), (16, 1276587), (18, 1134744), (24, 851058), (26, 785592), (27, 756496), (36, 567372), (39, 523728), (48, 425529), (52, 392796), (54, 378248), (72, 283686), (78, 261864), (104, 196398), (108, 189124), (117, 174576), (144, 141843), (156, 130932), (208, 98199), (216, 94562), (234, 87288), (312, 65466), (351, 58192), (432, 47281), (468, 43644), (624, 32733), (702, 29096), (936, 21822), (1404, 14548), (1872, 10911), (2808, 7274), (3637, 5616)]