20623792

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2173

約数の個数: 40

約数和(自身を含む): 46202400

約数和(自身を除く): 25578608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2069, 2492, 4138, 4984, 8276, 9968, 14483, 16552, 28966, 33104, 57932, 115864, 184141, 231728, 368282, 736564, 1288987, 1473128, 2577974, 2946256, 5155948, 10311896, 20623792]

約数ペア:

[(1, 20623792), (2, 10311896), (4, 5155948), (7, 2946256), (8, 2577974), (14, 1473128), (16, 1288987), (28, 736564), (56, 368282), (89, 231728), (112, 184141), (178, 115864), (356, 57932), (623, 33104), (712, 28966), (1246, 16552), (1424, 14483), (2069, 9968), (2492, 8276), (4138, 4984)]