20115180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111751}}^1$

素因数の和:111766

約数の個数: 36

約数和(自身を含む): 61016592

約数和(自身を除く): 40901412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111751, 223502, 335253, 447004, 558755, 670506, 1005759, 1117510, 1341012, 1676265, 2011518, 2235020, 3352530, 4023036, 5028795, 6705060, 10057590, 20115180]

約数ペア:

[(1, 20115180), (2, 10057590), (3, 6705060), (4, 5028795), (5, 4023036), (6, 3352530), (9, 2235020), (10, 2011518), (12, 1676265), (15, 1341012), (18, 1117510), (20, 1005759), (30, 670506), (36, 558755), (45, 447004), (60, 335253), (90, 223502), (180, 111751)]