20973697916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73851049}}^1$

素因数の和:73851124

約数の個数: 12

約数和(自身を含む): 37220929200

約数和(自身を除く): 16247231284

約数列:

[1, 2, 4, 71, 142, 284, 73851049, 147702098, 295404196, 5243424479, 10486848958, 20973697916]

約数ペア:

[(1, 20973697916), (2, 10486848958), (4, 5243424479), (71, 295404196), (142, 147702098), (284, 73851049)]