20869300

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{1153}}^1$

素因数の和:1348

約数の個数: 36

約数和(自身を含む): 45576076

約数和(自身を除く): 24706776

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1153, 1810, 2306, 3620, 4525, 4612, 5765, 9050, 11530, 18100, 23060, 28825, 57650, 115300, 208693, 417386, 834772, 1043465, 2086930, 4173860, 5217325, 10434650, 20869300]

約数ペア:

[(1, 20869300), (2, 10434650), (4, 5217325), (5, 4173860), (10, 2086930), (20, 1043465), (25, 834772), (50, 417386), (100, 208693), (181, 115300), (362, 57650), (724, 28825), (905, 23060), (1153, 18100), (1810, 11530), (2306, 9050), (3620, 5765), (4525, 4612)]