20418992

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 60

約数和(自身を含む): 44528400

約数和(自身を除く): 24109408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 121, 176, 199, 212, 242, 398, 424, 484, 583, 796, 848, 968, 1166, 1592, 1936, 2189, 2332, 3184, 4378, 4664, 6413, 8756, 9328, 10547, 12826, 17512, 21094, 24079, 25652, 35024, 42188, 48158, 51304, 84376, 96316, 102608, 116017, 168752, 192632, 232034, 385264, 464068, 928136, 1276187, 1856272, 2552374, 5104748, 10209496, 20418992]

約数ペア:

[(1, 20418992), (2, 10209496), (4, 5104748), (8, 2552374), (11, 1856272), (16, 1276187), (22, 928136), (44, 464068), (53, 385264), (88, 232034), (106, 192632), (121, 168752), (176, 116017), (199, 102608), (212, 96316), (242, 84376), (398, 51304), (424, 48158), (484, 42188), (583, 35024), (796, 25652), (848, 24079), (968, 21094), (1166, 17512), (1592, 12826), (1936, 10547), (2189, 9328), (2332, 8756), (3184, 6413), (4378, 4664)]