20218624

素因数分解:

$2^8\times {\mathrm{78979}}^1$

素因数の和:78995

約数の個数: 18

約数和(自身を含む): 40358780

約数和(自身を除く): 20140156

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78979, 157958, 315916, 631832, 1263664, 2527328, 5054656, 10109312, 20218624]

約数ペア:

[(1, 20218624), (2, 10109312), (4, 5054656), (8, 2527328), (16, 1263664), (32, 631832), (64, 315916), (128, 157958), (256, 78979)]