20890816

素因数分解:

$2^6\times {\mathrm{191}}^1\times {\mathrm{1709}}^1$

素因数の和:1912

約数の個数: 28

約数和(自身を含む): 41696640

約数和(自身を除く): 20805824

約数列:

[1, 2, 4, 8, 16, 32, 64, 191, 382, 764, 1528, 1709, 3056, 3418, 6112, 6836, 12224, 13672, 27344, 54688, 109376, 326419, 652838, 1305676, 2611352, 5222704, 10445408, 20890816]

約数ペア:

[(1, 20890816), (2, 10445408), (4, 5222704), (8, 2611352), (16, 1305676), (32, 652838), (64, 326419), (191, 109376), (382, 54688), (764, 27344), (1528, 13672), (1709, 12224), (3056, 6836), (3418, 6112)]