20775895738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:392

約数の個数: 128

約数和(自身を含む): 37457925120

約数和(自身を除く): 16682029382

約数列:

[1, 2, 13, 17, 26, 34, 43, 79, 86, 101, 137, 158, 202, 221, 274, 442, 559, 731, 1027, 1118, 1313, 1343, 1462, 1717, 1781, 2054, 2329, 2626, 2686, 3397, 3434, 3562, 4343, 4658, 5891, 6794, 7979, 8686, 9503, 10823, 11782, 13837, 15958, 17459, 19006, 21646, 22321, 27674, 30277, 34918, 44161, 44642, 56459, 57749, 60554, 73831, 76583, 88322, 100147, 103727, 112918, 115498, 135643, 140699, 147662, 153166, 179881, 183991, 200294, 207454, 235229, 271286, 281398, 343097, 359762, 367982, 465389, 470458, 594991, 686194, 750737, 930778, 959803, 1093123, 1189982, 1301911, 1501474, 1763359, 1919606, 2186246, 2391883, 2603822, 3057977, 3526718, 4460261, 4783766, 5832649, 6050057, 6115954, 7734883, 7911613, 8920522, 10114847, 11665298, 12100114, 14210599, 15469766, 15823226, 18583091, 20229694, 28421198, 37166182, 47004289, 75824437, 94008578, 102850969, 131493011, 151648874, 205701938, 241580183, 262986022, 483160366, 611055757, 799072913, 1222111514, 1598145826, 10387947869, 20775895738]

約数ペア:

[(1, 20775895738), (2, 10387947869), (13, 1598145826), (17, 1222111514), (26, 799072913), (34, 611055757), (43, 483160366), (79, 262986022), (86, 241580183), (101, 205701938), (137, 151648874), (158, 131493011), (202, 102850969), (221, 94008578), (274, 75824437), (442, 47004289), (559, 37166182), (731, 28421198), (1027, 20229694), (1118, 18583091), (1313, 15823226), (1343, 15469766), (1462, 14210599), (1717, 12100114), (1781, 11665298), (2054, 10114847), (2329, 8920522), (2626, 7911613), (2686, 7734883), (3397, 6115954), (3434, 6050057), (3562, 5832649), (4343, 4783766), (4658, 4460261), (5891, 3526718), (6794, 3057977), (7979, 2603822), (8686, 2391883), (9503, 2186246), (10823, 1919606), (11782, 1763359), (13837, 1501474), (15958, 1301911), (17459, 1189982), (19006, 1093123), (21646, 959803), (22321, 930778), (27674, 750737), (30277, 686194), (34918, 594991), (44161, 470458), (44642, 465389), (56459, 367982), (57749, 359762), (60554, 343097), (73831, 281398), (76583, 271286), (88322, 235229), (100147, 207454), (103727, 200294), (112918, 183991), (115498, 179881), (135643, 153166), (140699, 147662)]