20664077

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4334323

約数列:

[1, 7, 19, 133, 251, 619, 1757, 4333, 4769, 11761, 33383, 82327, 155369, 1087583, 2952011, 20664077]

約数ペア:

[(1, 20664077), (7, 2952011), (19, 1087583), (133, 155369), (251, 82327), (619, 33383), (1757, 11761), (4333, 4769)]