20191616

素因数分解:

$2^7\times {\mathrm{157747}}^1$

素因数の和:157761

約数の個数: 16

約数和(自身を含む): 40225740

約数和(自身を除く): 20034124

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157747, 315494, 630988, 1261976, 2523952, 5047904, 10095808, 20191616]

約数ペア:

[(1, 20191616), (2, 10095808), (4, 5047904), (8, 2523952), (16, 1261976), (32, 630988), (64, 315494), (128, 157747)]