20647816

素因数分解:

$2^3\times 7^2\times {\mathrm{52673}}^1$

素因数の和:52693

約数の個数: 24

約数和(自身を含む): 45036270

約数和(自身を除く): 24388454

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52673, 105346, 210692, 368711, 421384, 737422, 1474844, 2580977, 2949688, 5161954, 10323908, 20647816]

約数ペア:

[(1, 20647816), (2, 10323908), (4, 5161954), (7, 2949688), (8, 2580977), (14, 1474844), (28, 737422), (49, 421384), (56, 368711), (98, 210692), (196, 105346), (392, 52673)]