20480480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6737}}^1$

素因数の和:6771

約数の個数: 48

約数和(自身を含む): 50939280

約数和(自身を除く): 30458800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6737, 13474, 26948, 33685, 53896, 67370, 107792, 128003, 134740, 215584, 256006, 269480, 512012, 538960, 640015, 1024024, 1077920, 1280030, 2048048, 2560060, 4096096, 5120120, 10240240, 20480480]

約数ペア:

[(1, 20480480), (2, 10240240), (4, 5120120), (5, 4096096), (8, 2560060), (10, 2048048), (16, 1280030), (19, 1077920), (20, 1024024), (32, 640015), (38, 538960), (40, 512012), (76, 269480), (80, 256006), (95, 215584), (152, 134740), (160, 128003), (190, 107792), (304, 67370), (380, 53896), (608, 33685), (760, 26948), (1520, 13474), (3040, 6737)]