20453872

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{3373}}^1$

素因数の和:3760

約数の個数: 20

約数和(自身を含む): 39745720

約数和(自身を除く): 19291848

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 3373, 6064, 6746, 13492, 26984, 53968, 1278367, 2556734, 5113468, 10226936, 20453872]

約数ペア:

[(1, 20453872), (2, 10226936), (4, 5113468), (8, 2556734), (16, 1278367), (379, 53968), (758, 26984), (1516, 13492), (3032, 6746), (3373, 6064)]