20721804

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{75079}}^1$

素因数の和:75109

約数の個数: 24

約数和(自身を含む): 50453760

約数和(自身を除く): 29731956

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 75079, 150158, 225237, 300316, 450474, 900948, 1726817, 3453634, 5180451, 6907268, 10360902, 20721804]

約数ペア:

[(1, 20721804), (2, 10360902), (3, 6907268), (4, 5180451), (6, 3453634), (12, 1726817), (23, 900948), (46, 450474), (69, 300316), (92, 225237), (138, 150158), (276, 75079)]