20381820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9181}}^1$

素因数の和:9230

約数の個数: 48

約数和(自身を含む): 58617888

約数和(自身を除く): 38236068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9181, 18362, 27543, 36724, 45905, 55086, 91810, 110172, 137715, 183620, 275430, 339697, 550860, 679394, 1019091, 1358788, 1698485, 2038182, 3396970, 4076364, 5095455, 6793940, 10190910, 20381820]

約数ペア:

[(1, 20381820), (2, 10190910), (3, 6793940), (4, 5095455), (5, 4076364), (6, 3396970), (10, 2038182), (12, 1698485), (15, 1358788), (20, 1019091), (30, 679394), (37, 550860), (60, 339697), (74, 275430), (111, 183620), (148, 137715), (185, 110172), (222, 91810), (370, 55086), (444, 45905), (555, 36724), (740, 27543), (1110, 18362), (2220, 9181)]