20169590900

素因数分解:

$2^2\times 5^2\times {\mathrm{1481}}^1\times {\mathrm{136189}}^1$

素因数の和:137684

約数の個数: 36

約数和(自身を含む): 43797886860

約数和(自身を除く): 23628295960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1481, 2962, 5924, 7405, 14810, 29620, 37025, 74050, 136189, 148100, 272378, 544756, 680945, 1361890, 2723780, 3404725, 6809450, 13618900, 201695909, 403391818, 806783636, 1008479545, 2016959090, 4033918180, 5042397725, 10084795450, 20169590900]

約数ペア:

[(1, 20169590900), (2, 10084795450), (4, 5042397725), (5, 4033918180), (10, 2016959090), (20, 1008479545), (25, 806783636), (50, 403391818), (100, 201695909), (1481, 13618900), (2962, 6809450), (5924, 3404725), (7405, 2723780), (14810, 1361890), (29620, 680945), (37025, 544756), (74050, 272378), (136189, 148100)]