20687044

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23833}}^1$

素因数の和:23875

約数の個数: 24

約数和(自身を含む): 42710528

約数和(自身を除く): 22023484

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23833, 47666, 95332, 166831, 333662, 667324, 738823, 1477646, 2955292, 5171761, 10343522, 20687044]

約数ペア:

[(1, 20687044), (2, 10343522), (4, 5171761), (7, 2955292), (14, 1477646), (28, 738823), (31, 667324), (62, 333662), (124, 166831), (217, 95332), (434, 47666), (868, 23833)]