20551274882

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1\times {\mathrm{349357}}^1$

素因数の和:349865

約数の個数: 16

約数和(自身を含む): 31358374080

約数和(自身を除く): 10807099198

約数列:

[1, 2, 67, 134, 439, 878, 29413, 58826, 349357, 698714, 23406919, 46813838, 153367723, 306735446, 10275637441, 20551274882]

約数ペア:

[(1, 20551274882), (2, 10275637441), (67, 306735446), (134, 153367723), (439, 46813838), (878, 23406919), (29413, 698714), (58826, 349357)]