20255914

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1642

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15366806

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1487, 1946, 2974, 6811, 10409, 13622, 20818, 72863, 145726, 206693, 413386, 1446851, 2893702, 10127957, 20255914]

約数ペア:

[(1, 20255914), (2, 10127957), (7, 2893702), (14, 1446851), (49, 413386), (98, 206693), (139, 145726), (278, 72863), (973, 20818), (1487, 13622), (1946, 10409), (2974, 6811)]