20794051220

素因数分解:

$2^2\times 5^1\times {\mathrm{17987}}^1\times {\mathrm{57803}}^1$

素因数の和:75799

約数の個数: 24

約数和(自身を含む): 43670690784

約数和(自身を除く): 22876639564

約数列:

[1, 2, 4, 5, 10, 20, 17987, 35974, 57803, 71948, 89935, 115606, 179870, 231212, 289015, 359740, 578030, 1156060, 1039702561, 2079405122, 4158810244, 5198512805, 10397025610, 20794051220]

約数ペア:

[(1, 20794051220), (2, 10397025610), (4, 5198512805), (5, 4158810244), (10, 2079405122), (20, 1039702561), (17987, 1156060), (35974, 578030), (57803, 359740), (71948, 289015), (89935, 231212), (115606, 179870)]