20186356821

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1\times {\mathrm{977}}^1$

素因数の和:1885

約数の個数: 32

約数和(自身を含む): 27631238400

約数和(自身を除く): 7444881579

約数列:

[1, 3, 53, 159, 199, 597, 653, 977, 1959, 2931, 10547, 31641, 34609, 51781, 103827, 129947, 155343, 194423, 389841, 583269, 637981, 1913943, 6887191, 10304419, 20661573, 30913257, 33812993, 101438979, 126958219, 380874657, 6728785607, 20186356821]

約数ペア:

[(1, 20186356821), (3, 6728785607), (53, 380874657), (159, 126958219), (199, 101438979), (597, 33812993), (653, 30913257), (977, 20661573), (1959, 10304419), (2931, 6887191), (10547, 1913943), (31641, 637981), (34609, 583269), (51781, 389841), (103827, 194423), (129947, 155343)]