20347964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55901}}^1$

素因数の和:55925

約数の個数: 24

約数和(自身を含む): 43827168

約数和(自身を除く): 23479204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55901, 111802, 223604, 391307, 726713, 782614, 1453426, 1565228, 2906852, 5086991, 10173982, 20347964]

約数ペア:

[(1, 20347964), (2, 10173982), (4, 5086991), (7, 2906852), (13, 1565228), (14, 1453426), (26, 782614), (28, 726713), (52, 391307), (91, 223604), (182, 111802), (364, 55901)]