20137513557

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{286333}}^1$

素因数の和:286557

約数の個数: 32

約数和(自身を含む): 32655820032

約数和(自身を除く): 12518306475

約数列:

[1, 3, 7, 17, 21, 51, 119, 197, 357, 591, 1379, 3349, 4137, 10047, 23443, 70329, 286333, 858999, 2004331, 4867661, 6012993, 14602983, 34073627, 56407601, 102220881, 169222803, 394853207, 958929217, 1184559621, 2876787651, 6712504519, 20137513557]

約数ペア:

[(1, 20137513557), (3, 6712504519), (7, 2876787651), (17, 1184559621), (21, 958929217), (51, 394853207), (119, 169222803), (197, 102220881), (357, 56407601), (591, 34073627), (1379, 14602983), (3349, 6012993), (4137, 4867661), (10047, 2004331), (23443, 858999), (70329, 286333)]