20397900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{67993}}^1$

素因数の和:68010

約数の個数: 36

約数和(自身を含む): 59018792

約数和(自身を除く): 38620892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 67993, 135986, 203979, 271972, 339965, 407958, 679930, 815916, 1019895, 1359860, 1699825, 2039790, 3399650, 4079580, 5099475, 6799300, 10198950, 20397900]

約数ペア:

[(1, 20397900), (2, 10198950), (3, 6799300), (4, 5099475), (5, 4079580), (6, 3399650), (10, 2039790), (12, 1699825), (15, 1359860), (20, 1019895), (25, 815916), (30, 679930), (50, 407958), (60, 339965), (75, 271972), (100, 203979), (150, 135986), (300, 67993)]