20625864

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17539}}^1$

素因数の和:17562

約数の個数: 48

約数和(自身を含む): 59986800

約数和(自身を除く): 39360936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17539, 35078, 52617, 70156, 105234, 122773, 140312, 210468, 245546, 368319, 420936, 491092, 736638, 859411, 982184, 1473276, 1718822, 2578233, 2946552, 3437644, 5156466, 6875288, 10312932, 20625864]

約数ペア:

[(1, 20625864), (2, 10312932), (3, 6875288), (4, 5156466), (6, 3437644), (7, 2946552), (8, 2578233), (12, 1718822), (14, 1473276), (21, 982184), (24, 859411), (28, 736638), (42, 491092), (49, 420936), (56, 368319), (84, 245546), (98, 210468), (147, 140312), (168, 122773), (196, 105234), (294, 70156), (392, 52617), (588, 35078), (1176, 17539)]