20201477990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87832513}}^1$

素因数の和:87832543

約数の個数: 16

約数和(自身を含む): 37943646048

約数和(自身を除く): 17742168058

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87832513, 175665026, 439162565, 878325130, 2020147799, 4040295598, 10100738995, 20201477990]

約数ペア:

[(1, 20201477990), (2, 10100738995), (5, 4040295598), (10, 2020147799), (23, 878325130), (46, 439162565), (115, 175665026), (230, 87832513)]