20739584

素因数分解:

$2^9\times {\mathrm{40507}}^1$

素因数の和:40525

約数の個数: 20

約数和(自身を含む): 41439684

約数和(自身を除く): 20700100

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40507, 81014, 162028, 324056, 648112, 1296224, 2592448, 5184896, 10369792, 20739584]

約数ペア:

[(1, 20739584), (2, 10369792), (4, 5184896), (8, 2592448), (16, 1296224), (32, 648112), (64, 324056), (128, 162028), (256, 81014), (512, 40507)]