20149540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19009}}^1$

素因数の和:19071

約数の個数: 24

約数和(自身を含む): 43114680

約数和(自身を除く): 22965140

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 19009, 38018, 76036, 95045, 190090, 380180, 1007477, 2014954, 4029908, 5037385, 10074770, 20149540]

約数ペア:

[(1, 20149540), (2, 10074770), (4, 5037385), (5, 4029908), (10, 2014954), (20, 1007477), (53, 380180), (106, 190090), (212, 95045), (265, 76036), (530, 38018), (1060, 19009)]