20321744

素因数分解:

$2^4\times {\mathrm{761}}^1\times {\mathrm{1669}}^1$

素因数の和:2438

約数の個数: 20

約数和(自身を含む): 39448740

約数和(自身を除く): 19126996

約数列:

[1, 2, 4, 8, 16, 761, 1522, 1669, 3044, 3338, 6088, 6676, 12176, 13352, 26704, 1270109, 2540218, 5080436, 10160872, 20321744]

約数ペア:

[(1, 20321744), (2, 10160872), (4, 5080436), (8, 2540218), (16, 1270109), (761, 26704), (1522, 13352), (1669, 12176), (3044, 6676), (3338, 6088)]