20239216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 41381280

約数和(自身を除く): 21142064

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 823, 848, 1537, 1646, 3074, 3292, 6148, 6584, 12296, 13168, 23867, 24592, 43619, 47734, 87238, 95468, 174476, 190936, 348952, 381872, 697904, 1264951, 2529902, 5059804, 10119608, 20239216]

約数ペア:

[(1, 20239216), (2, 10119608), (4, 5059804), (8, 2529902), (16, 1264951), (29, 697904), (53, 381872), (58, 348952), (106, 190936), (116, 174476), (212, 95468), (232, 87238), (424, 47734), (464, 43619), (823, 24592), (848, 23867), (1537, 13168), (1646, 12296), (3074, 6584), (3292, 6148)]