20631456

素因数分解:

$2^5\times 3^3\times {\mathrm{23879}}^1$

素因数の和:23898

約数の個数: 48

約数和(自身を含む): 60177600

約数和(自身を除く): 39546144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23879, 47758, 71637, 95516, 143274, 191032, 214911, 286548, 382064, 429822, 573096, 644733, 764128, 859644, 1146192, 1289466, 1719288, 2292384, 2578932, 3438576, 5157864, 6877152, 10315728, 20631456]

約数ペア:

[(1, 20631456), (2, 10315728), (3, 6877152), (4, 5157864), (6, 3438576), (8, 2578932), (9, 2292384), (12, 1719288), (16, 1289466), (18, 1146192), (24, 859644), (27, 764128), (32, 644733), (36, 573096), (48, 429822), (54, 382064), (72, 286548), (96, 214911), (108, 191032), (144, 143274), (216, 95516), (288, 71637), (432, 47758), (864, 23879)]