20865436438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{379}}^1\times {\mathrm{1237}}^1$

素因数の和:1670

約数の個数: 96

約数和(自身を含む): 41594423040

約数和(自身を除く): 20728986602

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 289, 374, 379, 578, 758, 1237, 1309, 2023, 2474, 2618, 2653, 3179, 4046, 4169, 5306, 6358, 6443, 8338, 8659, 12886, 13607, 17318, 21029, 22253, 27214, 29183, 42058, 44506, 45101, 58366, 70873, 90202, 95249, 109531, 141746, 147203, 190498, 219062, 231319, 294406, 357493, 462638, 468823, 496111, 714986, 766717, 937646, 992222, 1204841, 1533434, 1619233, 2409682, 2502451, 3238466, 3281761, 3932423, 5004902, 5157053, 6563522, 7864846, 7969991, 8433887, 10314106, 15939982, 16867774, 27526961, 36099371, 55053922, 55789937, 72198742, 87669901, 111579874, 135489847, 175339802, 270979694, 613689307, 948428929, 1227378614, 1490388317, 1896857858, 2980776634, 10432718219, 20865436438]

約数ペア:

[(1, 20865436438), (2, 10432718219), (7, 2980776634), (11, 1896857858), (14, 1490388317), (17, 1227378614), (22, 948428929), (34, 613689307), (77, 270979694), (119, 175339802), (154, 135489847), (187, 111579874), (238, 87669901), (289, 72198742), (374, 55789937), (379, 55053922), (578, 36099371), (758, 27526961), (1237, 16867774), (1309, 15939982), (2023, 10314106), (2474, 8433887), (2618, 7969991), (2653, 7864846), (3179, 6563522), (4046, 5157053), (4169, 5004902), (5306, 3932423), (6358, 3281761), (6443, 3238466), (8338, 2502451), (8659, 2409682), (12886, 1619233), (13607, 1533434), (17318, 1204841), (21029, 992222), (22253, 937646), (27214, 766717), (29183, 714986), (42058, 496111), (44506, 468823), (45101, 462638), (58366, 357493), (70873, 294406), (90202, 231319), (95249, 219062), (109531, 190498), (141746, 147203)]