20418912

素因数分解:

$2^5\times 3^3\times {\mathrm{23633}}^1$

素因数の和:23652

約数の個数: 48

約数和(自身を含む): 59557680

約数和(自身を除く): 39138768

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, 23633, 47266, 70899, 94532, 141798, 189064, 212697, 283596, 378128, 425394, 567192, 638091, 756256, 850788, 1134384, 1276182, 1701576, 2268768, 2552364, 3403152, 5104728, 6806304, 10209456, 20418912]

約数ペア:

[(1, 20418912), (2, 10209456), (3, 6806304), (4, 5104728), (6, 3403152), (8, 2552364), (9, 2268768), (12, 1701576), (16, 1276182), (18, 1134384), (24, 850788), (27, 756256), (32, 638091), (36, 567192), (48, 425394), (54, 378128), (72, 283596), (96, 212697), (108, 189064), (144, 141798), (216, 94532), (288, 70899), (432, 47266), (864, 23633)]