201019780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773153}}^1$

素因数の和:773175

約数の個数: 24

約数和(自身を含む): 454614552

約数和(自身を除く): 253594772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 773153, 1546306, 3092612, 3865765, 7731530, 10050989, 15463060, 20101978, 40203956, 50254945, 100509890, 201019780]

約数ペア:

[(1, 201019780), (2, 100509890), (4, 50254945), (5, 40203956), (10, 20101978), (13, 15463060), (20, 10050989), (26, 7731530), (52, 3865765), (65, 3092612), (130, 1546306), (260, 773153)]