20501648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55711}}^1$

素因数の和:55742

約数の個数: 20

約数和(自身を含む): 41449728

約数和(自身を除く): 20948080

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55711, 111422, 222844, 445688, 891376, 1281353, 2562706, 5125412, 10250824, 20501648]

約数ペア:

[(1, 20501648), (2, 10250824), (4, 5125412), (8, 2562706), (16, 1281353), (23, 891376), (46, 445688), (92, 222844), (184, 111422), (368, 55711)]