20773760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4637}}^1$

素因数の和:4663

約数の個数: 64

約数和(自身を含む): 56769120

約数和(自身を除く): 35995360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4637, 9274, 18548, 23185, 32459, 37096, 46370, 64918, 74192, 92740, 129836, 148384, 162295, 185480, 259672, 296768, 324590, 370960, 519344, 593536, 649180, 741920, 1038688, 1298360, 1483840, 2077376, 2596720, 2967680, 4154752, 5193440, 10386880, 20773760]

約数ペア:

[(1, 20773760), (2, 10386880), (4, 5193440), (5, 4154752), (7, 2967680), (8, 2596720), (10, 2077376), (14, 1483840), (16, 1298360), (20, 1038688), (28, 741920), (32, 649180), (35, 593536), (40, 519344), (56, 370960), (64, 324590), (70, 296768), (80, 259672), (112, 185480), (128, 162295), (140, 148384), (160, 129836), (224, 92740), (280, 74192), (320, 64918), (448, 46370), (560, 37096), (640, 32459), (896, 23185), (1120, 18548), (2240, 9274), (4480, 4637)]