20730638866

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47766449}}^1$

素因数の和:47766489

約数の個数: 16

約数和(自身を含む): 36684633600

約数和(自身を除く): 15953994734

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47766449, 95532898, 334365143, 668730286, 1480759919, 2961519838, 10365319433, 20730638866]

約数ペア:

[(1, 20730638866), (2, 10365319433), (7, 2961519838), (14, 1480759919), (31, 668730286), (62, 334365143), (217, 95532898), (434, 47766449)]