20782151

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 23123520

約数和(自身を除く): 2341369

約数列:

[1, 13, 61, 73, 359, 793, 949, 4453, 4667, 21899, 26207, 57889, 284687, 340691, 1598627, 20782151]

約数ペア:

[(1, 20782151), (13, 1598627), (61, 340691), (73, 284687), (359, 57889), (793, 26207), (949, 21899), (4453, 4667)]