20654256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61471}}^1$

素因数の和:61489

約数の個数: 40

約数和(自身を含む): 60980224

約数和(自身を除く): 40325968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61471, 122942, 184413, 245884, 368826, 430297, 491768, 737652, 860594, 983536, 1290891, 1475304, 1721188, 2581782, 2950608, 3442376, 5163564, 6884752, 10327128, 20654256]

約数ペア:

[(1, 20654256), (2, 10327128), (3, 6884752), (4, 5163564), (6, 3442376), (7, 2950608), (8, 2581782), (12, 1721188), (14, 1475304), (16, 1290891), (21, 983536), (24, 860594), (28, 737652), (42, 491768), (48, 430297), (56, 368826), (84, 245884), (112, 184413), (168, 122942), (336, 61471)]