149240020

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{8191}}^1$

素因数の和:9111

約数の個数: 24

約数和(自身を含む): 313786368

約数和(自身を除く): 164546348

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 8191, 9110, 16382, 18220, 32764, 40955, 81910, 163820, 7462001, 14924002, 29848004, 37310005, 74620010, 149240020]

約数ペア:

[(1, 149240020), (2, 74620010), (4, 37310005), (5, 29848004), (10, 14924002), (20, 7462001), (911, 163820), (1822, 81910), (3644, 40955), (4555, 32764), (8191, 18220), (9110, 16382)]