20789450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37799}}^1$

素因数の和:37822

約数の個数: 24

約数和(自身を含む): 42184800

約数和(自身を除く): 21395350

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37799, 75598, 188995, 377990, 415789, 831578, 944975, 1889950, 2078945, 4157890, 10394725, 20789450]

約数ペア:

[(1, 20789450), (2, 10394725), (5, 4157890), (10, 2078945), (11, 1889950), (22, 944975), (25, 831578), (50, 415789), (55, 377990), (110, 188995), (275, 75598), (550, 37799)]