20393156

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38333}}^1$

素因数の和:38363

約数の個数: 24

約数和(自身を含む): 42934080

約数和(自身を除く): 22540924

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 38333, 76666, 153332, 268331, 536662, 728327, 1073324, 1456654, 2913308, 5098289, 10196578, 20393156]

約数ペア:

[(1, 20393156), (2, 10196578), (4, 5098289), (7, 2913308), (14, 1456654), (19, 1073324), (28, 728327), (38, 536662), (76, 268331), (133, 153332), (266, 76666), (532, 38333)]