20751912

素因数分解:

$2^3\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1237}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 56489940

約数和(自身を除く): 35738028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 233, 466, 699, 932, 1237, 1398, 1864, 2097, 2474, 2796, 3711, 4194, 4948, 5592, 7422, 8388, 9896, 11133, 14844, 16776, 22266, 29688, 44532, 89064, 288221, 576442, 864663, 1152884, 1729326, 2305768, 2593989, 3458652, 5187978, 6917304, 10375956, 20751912]

約数ペア:

[(1, 20751912), (2, 10375956), (3, 6917304), (4, 5187978), (6, 3458652), (8, 2593989), (9, 2305768), (12, 1729326), (18, 1152884), (24, 864663), (36, 576442), (72, 288221), (233, 89064), (466, 44532), (699, 29688), (932, 22266), (1237, 16776), (1398, 14844), (1864, 11133), (2097, 9896), (2474, 8388), (2796, 7422), (3711, 5592), (4194, 4948)]