20170619259

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{6829}}^1$

素因数の和:7200

約数の個数: 48

約数和(自身を含む): 31842443520

約数和(自身を除く): 11671824261

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 283, 497, 849, 1491, 1981, 3479, 5943, 6829, 10437, 13867, 20093, 20487, 41601, 47803, 60279, 140651, 143409, 334621, 421953, 484859, 984557, 1003863, 1454577, 1932607, 2953671, 3394013, 5797821, 10182039, 13528249, 23758091, 40584747, 71274273, 94697743, 137215097, 284093229, 411645291, 960505679, 2881517037, 6723539753, 20170619259]

約数ペア:

[(1, 20170619259), (3, 6723539753), (7, 2881517037), (21, 960505679), (49, 411645291), (71, 284093229), (147, 137215097), (213, 94697743), (283, 71274273), (497, 40584747), (849, 23758091), (1491, 13528249), (1981, 10182039), (3479, 5797821), (5943, 3394013), (6829, 2953671), (10437, 1932607), (13867, 1454577), (20093, 1003863), (20487, 984557), (41601, 484859), (47803, 421953), (60279, 334621), (140651, 143409)]