20011008

素因数分解:

$2^{11}\times 3^1\times {\mathrm{3257}}^1$

素因数の和:3282

約数の個数: 48

約数和(自身を含む): 53366040

約数和(自身を除く): 33355032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072, 3257, 6144, 6514, 9771, 13028, 19542, 26056, 39084, 52112, 78168, 104224, 156336, 208448, 312672, 416896, 625344, 833792, 1250688, 1667584, 2501376, 3335168, 5002752, 6670336, 10005504, 20011008]

約数ペア:

[(1, 20011008), (2, 10005504), (3, 6670336), (4, 5002752), (6, 3335168), (8, 2501376), (12, 1667584), (16, 1250688), (24, 833792), (32, 625344), (48, 416896), (64, 312672), (96, 208448), (128, 156336), (192, 104224), (256, 78168), (384, 52112), (512, 39084), (768, 26056), (1024, 19542), (1536, 13028), (2048, 9771), (3072, 6514), (3257, 6144)]