20208888

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 63329760

約数和(自身を除く): 43120872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 101, 126, 168, 202, 252, 303, 397, 404, 504, 606, 707, 794, 808, 909, 1191, 1212, 1414, 1588, 1818, 2121, 2382, 2424, 2779, 2828, 3176, 3573, 3636, 4242, 4764, 5558, 5656, 6363, 7146, 7272, 8337, 8484, 9528, 11116, 12726, 14292, 16674, 16968, 22232, 25011, 25452, 28584, 33348, 40097, 50022, 50904, 66696, 80194, 100044, 120291, 160388, 200088, 240582, 280679, 320776, 360873, 481164, 561358, 721746, 842037, 962328, 1122716, 1443492, 1684074, 2245432, 2526111, 2886984, 3368148, 5052222, 6736296, 10104444, 20208888]

約数ペア:

[(1, 20208888), (2, 10104444), (3, 6736296), (4, 5052222), (6, 3368148), (7, 2886984), (8, 2526111), (9, 2245432), (12, 1684074), (14, 1443492), (18, 1122716), (21, 962328), (24, 842037), (28, 721746), (36, 561358), (42, 481164), (56, 360873), (63, 320776), (72, 280679), (84, 240582), (101, 200088), (126, 160388), (168, 120291), (202, 100044), (252, 80194), (303, 66696), (397, 50904), (404, 50022), (504, 40097), (606, 33348), (707, 28584), (794, 25452), (808, 25011), (909, 22232), (1191, 16968), (1212, 16674), (1414, 14292), (1588, 12726), (1818, 11116), (2121, 9528), (2382, 8484), (2424, 8337), (2779, 7272), (2828, 7146), (3176, 6363), (3573, 5656), (3636, 5558), (4242, 4764)]