20967968

素因数分解:

$2^5\times 7^1\times {\mathrm{93607}}^1$

素因数の和:93624

約数の個数: 24

約数和(自身を含む): 47178432

約数和(自身を除く): 26210464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93607, 187214, 374428, 655249, 748856, 1310498, 1497712, 2620996, 2995424, 5241992, 10483984, 20967968]

約数ペア:

[(1, 20967968), (2, 10483984), (4, 5241992), (7, 2995424), (8, 2620996), (14, 1497712), (16, 1310498), (28, 748856), (32, 655249), (56, 374428), (112, 187214), (224, 93607)]