20050595890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2910101}}^1$

素因数の和:2910174

約数の個数: 32

約数和(自身を含む): 39600668016

約数和(自身を除く): 19550072126

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 2910101, 5820202, 14550505, 29101010, 37831313, 75662626, 154235353, 189156565, 308470706, 378313130, 771176765, 1542353530, 2005059589, 4010119178, 10025297945, 20050595890]

約数ペア:

[(1, 20050595890), (2, 10025297945), (5, 4010119178), (10, 2005059589), (13, 1542353530), (26, 771176765), (53, 378313130), (65, 308470706), (106, 189156565), (130, 154235353), (265, 75662626), (530, 37831313), (689, 29101010), (1378, 14550505), (3445, 5820202), (6890, 2910101)]