20161183792

素因数分解:

$2^4\times {\mathrm{1613}}^1\times {\mathrm{781199}}^1$

素因数の和:782820

約数の個数: 20

約数和(自身を含む): 39086560800

約数和(自身を除く): 18925377008

約数列:

[1, 2, 4, 8, 16, 1613, 3226, 6452, 12904, 25808, 781199, 1562398, 3124796, 6249592, 12499184, 1260073987, 2520147974, 5040295948, 10080591896, 20161183792]

約数ペア:

[(1, 20161183792), (2, 10080591896), (4, 5040295948), (8, 2520147974), (16, 1260073987), (1613, 12499184), (3226, 6249592), (6452, 3124796), (12904, 1562398), (25808, 781199)]