20954139

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 28543872

約数和(自身を除く): 7589733

約数列:

[1, 3, 73, 163, 219, 489, 587, 1761, 11899, 35697, 42851, 95681, 128553, 287043, 6984713, 20954139]

約数ペア:

[(1, 20954139), (3, 6984713), (73, 287043), (163, 128553), (219, 95681), (489, 42851), (587, 35697), (1761, 11899)]