20477704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196901}}^1$

素因数の和:196920

約数の個数: 16

約数和(自身を含む): 41349420

約数和(自身を除く): 20871716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196901, 393802, 787604, 1575208, 2559713, 5119426, 10238852, 20477704]

約数ペア:

[(1, 20477704), (2, 10238852), (4, 5119426), (8, 2559713), (13, 1575208), (26, 787604), (52, 393802), (104, 196901)]