20323888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97711}}^1$

素因数の和:97732

約数の個数: 20

約数和(自身を含む): 42407008

約数和(自身を除く): 22083120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97711, 195422, 390844, 781688, 1270243, 1563376, 2540486, 5080972, 10161944, 20323888]

約数ペア:

[(1, 20323888), (2, 10161944), (4, 5080972), (8, 2540486), (13, 1563376), (16, 1270243), (26, 781688), (52, 390844), (104, 195422), (208, 97711)]