20159904

素因数分解:

$2^5\times 3^1\times {\mathrm{373}}^1\times {\mathrm{563}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 53155872

約数和(自身を除く): 32995968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 373, 563, 746, 1119, 1126, 1492, 1689, 2238, 2252, 2984, 3378, 4476, 4504, 5968, 6756, 8952, 9008, 11936, 13512, 17904, 18016, 27024, 35808, 54048, 209999, 419998, 629997, 839996, 1259994, 1679992, 2519988, 3359984, 5039976, 6719968, 10079952, 20159904]

約数ペア:

[(1, 20159904), (2, 10079952), (3, 6719968), (4, 5039976), (6, 3359984), (8, 2519988), (12, 1679992), (16, 1259994), (24, 839996), (32, 629997), (48, 419998), (96, 209999), (373, 54048), (563, 35808), (746, 27024), (1119, 18016), (1126, 17904), (1492, 13512), (1689, 11936), (2238, 9008), (2252, 8952), (2984, 6756), (3378, 5968), (4476, 4504)]