20161120309

素因数分解:

${\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 23264274880

約数和(自身を除く): 3103154571

約数列:

[1, 11, 43, 61, 121, 139, 457, 473, 671, 1529, 2623, 5027, 5203, 5977, 7381, 8479, 16819, 19651, 27877, 28853, 55297, 63523, 65747, 93269, 216161, 306647, 317383, 364597, 698753, 723217, 1025959, 1198711, 2377771, 2731489, 3373117, 3874903, 4010567, 7686283, 13185821, 30046379, 42623933, 44116237, 145044031, 166620829, 330510169, 468863263, 1832829119, 20161120309]

約数ペア:

[(1, 20161120309), (11, 1832829119), (43, 468863263), (61, 330510169), (121, 166620829), (139, 145044031), (457, 44116237), (473, 42623933), (671, 30046379), (1529, 13185821), (2623, 7686283), (5027, 4010567), (5203, 3874903), (5977, 3373117), (7381, 2731489), (8479, 2377771), (16819, 1198711), (19651, 1025959), (27877, 723217), (28853, 698753), (55297, 364597), (63523, 317383), (65747, 306647), (93269, 216161)]