20928992

素因数分解:

$2^5\times 7^1\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 47410272

約数和(自身を除く): 26481280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 233, 401, 466, 802, 932, 1604, 1631, 1864, 2807, 3208, 3262, 3728, 5614, 6416, 6524, 7456, 11228, 12832, 13048, 22456, 26096, 44912, 52192, 89824, 93433, 186866, 373732, 654031, 747464, 1308062, 1494928, 2616124, 2989856, 5232248, 10464496, 20928992]

約数ペア:

[(1, 20928992), (2, 10464496), (4, 5232248), (7, 2989856), (8, 2616124), (14, 1494928), (16, 1308062), (28, 747464), (32, 654031), (56, 373732), (112, 186866), (224, 93433), (233, 89824), (401, 52192), (466, 44912), (802, 26096), (932, 22456), (1604, 13048), (1631, 12832), (1864, 11228), (2807, 7456), (3208, 6524), (3262, 6416), (3728, 5614)]