20790416

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24517}}^1$

素因数の和:24578

約数の個数: 20

約数和(自身を含む): 41043132

約数和(自身を除く): 20252716

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24517, 49034, 98068, 196136, 392272, 1299401, 2598802, 5197604, 10395208, 20790416]

約数ペア:

[(1, 20790416), (2, 10395208), (4, 5197604), (8, 2598802), (16, 1299401), (53, 392272), (106, 196136), (212, 98068), (424, 49034), (848, 24517)]