20198744

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{68239}}^1$

素因数の和:68282

約数の個数: 16

約数和(自身を含む): 38896800

約数和(自身を除く): 18698056

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 68239, 136478, 272956, 545912, 2524843, 5049686, 10099372, 20198744]

約数ペア:

[(1, 20198744), (2, 10099372), (4, 5049686), (8, 2524843), (37, 545912), (74, 272956), (148, 136478), (296, 68239)]