20245784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194671}}^1$

素因数の和:194690

約数の個数: 16

約数和(自身を含む): 40881120

約数和(自身を除く): 20635336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194671, 389342, 778684, 1557368, 2530723, 5061446, 10122892, 20245784]

約数ペア:

[(1, 20245784), (2, 10122892), (4, 5061446), (8, 2530723), (13, 1557368), (26, 778684), (52, 389342), (104, 194671)]