20159520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41999}}^1$

素因数の和:42017

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 43344480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41999, 83998, 125997, 167996, 209995, 251994, 335992, 419990, 503988, 629985, 671984, 839980, 1007976, 1259970, 1343968, 1679960, 2015952, 2519940, 3359920, 4031904, 5039880, 6719840, 10079760, 20159520]

約数ペア:

[(1, 20159520), (2, 10079760), (3, 6719840), (4, 5039880), (5, 4031904), (6, 3359920), (8, 2519940), (10, 2015952), (12, 1679960), (15, 1343968), (16, 1259970), (20, 1007976), (24, 839980), (30, 671984), (32, 629985), (40, 503988), (48, 419990), (60, 335992), (80, 251994), (96, 209995), (120, 167996), (160, 125997), (240, 83998), (480, 41999)]