20872912072

素因数分解:

$2^3\times {\mathrm{73877}}^1\times {\mathrm{35317}}^1$

素因数の和:109200

約数の個数: 16

約数和(自身を含む): 39138348060

約数和(自身を除く): 18265435988

約数列:

[1, 2, 4, 8, 35317, 70634, 73877, 141268, 147754, 282536, 295508, 591016, 2609114009, 5218228018, 10436456036, 20872912072]

約数ペア:

[(1, 20872912072), (2, 10436456036), (4, 5218228018), (8, 2609114009), (35317, 591016), (70634, 295508), (73877, 282536), (141268, 147754)]