20007378

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27167022

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 89, 138, 178, 181, 207, 267, 362, 414, 534, 543, 621, 801, 1086, 1242, 1602, 1629, 2047, 2403, 3258, 4094, 4163, 4806, 4887, 6141, 8326, 9774, 12282, 12489, 16109, 18423, 24978, 32218, 36846, 37467, 48327, 55269, 74934, 96654, 110538, 112401, 144981, 224802, 289962, 370507, 434943, 741014, 869886, 1111521, 2223042, 3334563, 6669126, 10003689, 20007378]

約数ペア:

[(1, 20007378), (2, 10003689), (3, 6669126), (6, 3334563), (9, 2223042), (18, 1111521), (23, 869886), (27, 741014), (46, 434943), (54, 370507), (69, 289962), (89, 224802), (138, 144981), (178, 112401), (181, 110538), (207, 96654), (267, 74934), (362, 55269), (414, 48327), (534, 37467), (543, 36846), (621, 32218), (801, 24978), (1086, 18423), (1242, 16109), (1602, 12489), (1629, 12282), (2047, 9774), (2403, 8326), (3258, 6141), (4094, 4887), (4163, 4806)]