20762505

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1051}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 36104640

約数和(自身を除く): 15342135

約数列:

[1, 3, 5, 9, 15, 45, 439, 1051, 1317, 2195, 3153, 3951, 5255, 6585, 9459, 15765, 19755, 47295, 461389, 1384167, 2306945, 4152501, 6920835, 20762505]

約数ペア:

[(1, 20762505), (3, 6920835), (5, 4152501), (9, 2306945), (15, 1384167), (45, 461389), (439, 47295), (1051, 19755), (1317, 15765), (2195, 9459), (3153, 6585), (3951, 5255)]