20382700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15679}}^1$

素因数の和:15706

約数の個数: 36

約数和(自身を含む): 47635840

約数和(自身を除く): 27253140

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15679, 31358, 62716, 78395, 156790, 203827, 313580, 391975, 407654, 783950, 815308, 1019135, 1567900, 2038270, 4076540, 5095675, 10191350, 20382700]

約数ペア:

[(1, 20382700), (2, 10191350), (4, 5095675), (5, 4076540), (10, 2038270), (13, 1567900), (20, 1019135), (25, 815308), (26, 783950), (50, 407654), (52, 391975), (65, 313580), (100, 203827), (130, 156790), (260, 78395), (325, 62716), (650, 31358), (1300, 15679)]