20381700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{67939}}^1$

素因数の和:67956

約数の個数: 36

約数和(自身を含む): 58971920

約数和(自身を除く): 38590220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 67939, 135878, 203817, 271756, 339695, 407634, 679390, 815268, 1019085, 1358780, 1698475, 2038170, 3396950, 4076340, 5095425, 6793900, 10190850, 20381700]

約数ペア:

[(1, 20381700), (2, 10190850), (3, 6793900), (4, 5095425), (5, 4076340), (6, 3396950), (10, 2038170), (12, 1698475), (15, 1358780), (20, 1019085), (25, 815268), (30, 679390), (50, 407634), (60, 339695), (75, 271756), (100, 203817), (150, 135878), (300, 67939)]