20872362

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 55738368

約数和(自身を除く): 34866006

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 31, 34, 41, 42, 46, 51, 62, 69, 82, 93, 102, 119, 123, 138, 161, 186, 217, 238, 246, 287, 322, 357, 391, 434, 483, 527, 574, 651, 697, 713, 714, 782, 861, 943, 966, 1054, 1173, 1271, 1302, 1394, 1426, 1581, 1722, 1886, 2091, 2139, 2346, 2542, 2737, 2829, 3162, 3689, 3813, 4182, 4278, 4879, 4991, 5474, 5658, 6601, 7378, 7626, 8211, 8897, 9758, 9982, 11067, 12121, 13202, 14637, 14973, 16031, 16422, 17794, 19803, 21607, 22134, 24242, 26691, 29233, 29274, 29946, 32062, 36363, 39606, 43214, 48093, 53382, 58466, 64821, 72726, 84847, 87699, 96186, 112217, 129642, 151249, 169694, 175398, 204631, 224434, 254541, 302498, 336651, 409262, 453747, 496961, 509082, 613893, 673302, 907494, 993922, 1227786, 1490883, 2981766, 3478727, 6957454, 10436181, 20872362]

約数ペア:

[(1, 20872362), (2, 10436181), (3, 6957454), (6, 3478727), (7, 2981766), (14, 1490883), (17, 1227786), (21, 993922), (23, 907494), (31, 673302), (34, 613893), (41, 509082), (42, 496961), (46, 453747), (51, 409262), (62, 336651), (69, 302498), (82, 254541), (93, 224434), (102, 204631), (119, 175398), (123, 169694), (138, 151249), (161, 129642), (186, 112217), (217, 96186), (238, 87699), (246, 84847), (287, 72726), (322, 64821), (357, 58466), (391, 53382), (434, 48093), (483, 43214), (527, 39606), (574, 36363), (651, 32062), (697, 29946), (713, 29274), (714, 29233), (782, 26691), (861, 24242), (943, 22134), (966, 21607), (1054, 19803), (1173, 17794), (1271, 16422), (1302, 16031), (1394, 14973), (1426, 14637), (1581, 13202), (1722, 12121), (1886, 11067), (2091, 9982), (2139, 9758), (2346, 8897), (2542, 8211), (2737, 7626), (2829, 7378), (3162, 6601), (3689, 5658), (3813, 5474), (4182, 4991), (4278, 4879)]