20981736960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2731997}}^1$

素因数の和:2732023

約数の個数: 80

約数和(自身を含む): 67076014896

約数和(自身を除く): 46094277936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 2731997, 5463994, 8195991, 10927988, 13659985, 16391982, 21855976, 27319970, 32783964, 40979955, 43711952, 54639940, 65567928, 81959910, 87423904, 109279880, 131135856, 163919820, 174847808, 218559760, 262271712, 327839640, 349695616, 437119520, 524543424, 655679280, 699391232, 874239040, 1049086848, 1311358560, 1398782464, 1748478080, 2098173696, 2622717120, 3496956160, 4196347392, 5245434240, 6993912320, 10490868480, 20981736960]

約数ペア:

[(1, 20981736960), (2, 10490868480), (3, 6993912320), (4, 5245434240), (5, 4196347392), (6, 3496956160), (8, 2622717120), (10, 2098173696), (12, 1748478080), (15, 1398782464), (16, 1311358560), (20, 1049086848), (24, 874239040), (30, 699391232), (32, 655679280), (40, 524543424), (48, 437119520), (60, 349695616), (64, 327839640), (80, 262271712), (96, 218559760), (120, 174847808), (128, 163919820), (160, 131135856), (192, 109279880), (240, 87423904), (256, 81959910), (320, 65567928), (384, 54639940), (480, 43711952), (512, 40979955), (640, 32783964), (768, 27319970), (960, 21855976), (1280, 16391982), (1536, 13659985), (1920, 10927988), (2560, 8195991), (3840, 5463994), (7680, 2731997)]