20781096

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 41271384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 49, 56, 82, 84, 98, 123, 147, 164, 168, 196, 246, 287, 294, 328, 392, 431, 492, 574, 588, 861, 862, 984, 1148, 1176, 1293, 1722, 1724, 2009, 2296, 2586, 3017, 3444, 3448, 4018, 5172, 6027, 6034, 6888, 8036, 9051, 10344, 12054, 12068, 16072, 17671, 18102, 21119, 24108, 24136, 35342, 36204, 42238, 48216, 53013, 63357, 70684, 72408, 84476, 106026, 123697, 126714, 141368, 168952, 212052, 247394, 253428, 371091, 424104, 494788, 506856, 742182, 865879, 989576, 1484364, 1731758, 2597637, 2968728, 3463516, 5195274, 6927032, 10390548, 20781096]

約数ペア:

[(1, 20781096), (2, 10390548), (3, 6927032), (4, 5195274), (6, 3463516), (7, 2968728), (8, 2597637), (12, 1731758), (14, 1484364), (21, 989576), (24, 865879), (28, 742182), (41, 506856), (42, 494788), (49, 424104), (56, 371091), (82, 253428), (84, 247394), (98, 212052), (123, 168952), (147, 141368), (164, 126714), (168, 123697), (196, 106026), (246, 84476), (287, 72408), (294, 70684), (328, 63357), (392, 53013), (431, 48216), (492, 42238), (574, 36204), (588, 35342), (861, 24136), (862, 24108), (984, 21119), (1148, 18102), (1176, 17671), (1293, 16072), (1722, 12068), (1724, 12054), (2009, 10344), (2296, 9051), (2586, 8036), (3017, 6888), (3444, 6034), (3448, 6027), (4018, 5172)]