20872608

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5357

約数の個数: 48

約数和(自身を含む): 56137536

約数和(自身を除く): 35264928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5303, 10606, 15909, 21212, 31818, 42424, 63636, 84848, 127272, 169696, 217423, 254544, 434846, 509088, 652269, 869692, 1304538, 1739384, 2609076, 3478768, 5218152, 6957536, 10436304, 20872608]

約数ペア:

[(1, 20872608), (2, 10436304), (3, 6957536), (4, 5218152), (6, 3478768), (8, 2609076), (12, 1739384), (16, 1304538), (24, 869692), (32, 652269), (41, 509088), (48, 434846), (82, 254544), (96, 217423), (123, 169696), (164, 127272), (246, 84848), (328, 63636), (492, 42424), (656, 31818), (984, 21212), (1312, 15909), (1968, 10606), (3936, 5303)]