20542210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158017}}^1$

素因数の和:158037

約数の個数: 16

約数和(自身を含む): 39820536

約数和(自身を除く): 19278326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 158017, 316034, 790085, 1580170, 2054221, 4108442, 10271105, 20542210]

約数ペア:

[(1, 20542210), (2, 10271105), (5, 4108442), (10, 2054221), (13, 1580170), (26, 790085), (65, 316034), (130, 158017)]