20165720317

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{299359}}^1$

素因数の和:299484

約数の個数: 16

約数和(自身を含む): 21726351360

約数和(自身を除く): 1560631043

約数列:

[1, 31, 41, 53, 1271, 1643, 2173, 67363, 299359, 9280129, 12273719, 15866027, 380485289, 491846837, 650507107, 20165720317]

約数ペア:

[(1, 20165720317), (31, 650507107), (41, 491846837), (53, 380485289), (1271, 15866027), (1643, 12273719), (2173, 9280129), (67363, 299359)]