20163897

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 32773104

約数和(自身を除く): 12609207

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 243, 351, 491, 507, 1053, 1473, 1521, 3159, 4419, 4563, 6383, 13257, 13689, 19149, 39771, 41067, 57447, 82979, 119313, 172341, 248937, 517023, 746811, 1551069, 2240433, 6721299, 20163897]

約数ペア:

[(1, 20163897), (3, 6721299), (9, 2240433), (13, 1551069), (27, 746811), (39, 517023), (81, 248937), (117, 172341), (169, 119313), (243, 82979), (351, 57447), (491, 41067), (507, 39771), (1053, 19149), (1473, 13689), (1521, 13257), (3159, 6383), (4419, 4563)]