20802954100

素因数分解:

$2^2\times 5^2\times {\mathrm{208029541}}^1$

素因数の和:208029555

約数の個数: 18

約数和(自身を含む): 45142410614

約数和(自身を除く): 24339456514

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 208029541, 416059082, 832118164, 1040147705, 2080295410, 4160590820, 5200738525, 10401477050, 20802954100]

約数ペア:

[(1, 20802954100), (2, 10401477050), (4, 5200738525), (5, 4160590820), (10, 2080295410), (20, 1040147705), (25, 832118164), (50, 416059082), (100, 208029541)]