20922832

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 25949168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2099, 2492, 4198, 4984, 8396, 9968, 14693, 16792, 29386, 33584, 58772, 117544, 186811, 235088, 373622, 747244, 1307677, 1494488, 2615354, 2988976, 5230708, 10461416, 20922832]

約数ペア:

[(1, 20922832), (2, 10461416), (4, 5230708), (7, 2988976), (8, 2615354), (14, 1494488), (16, 1307677), (28, 747244), (56, 373622), (89, 235088), (112, 186811), (178, 117544), (356, 58772), (623, 33584), (712, 29386), (1246, 16792), (1424, 14693), (2099, 9968), (2492, 8396), (4198, 4984)]