20452859

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 24649920

約数和(自身を除く): 4197061

約数列:

[1, 7, 29, 53, 203, 371, 1537, 1901, 10759, 13307, 55129, 100753, 385903, 705271, 2921837, 20452859]

約数ペア:

[(1, 20452859), (7, 2921837), (29, 705271), (53, 385903), (203, 100753), (371, 55129), (1537, 13307), (1901, 10759)]