20863360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4657}}^1$

素因数の和:4683

約数の個数: 64

約数和(自身を含む): 57013920

約数和(自身を除く): 36150560

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, 4657, 9314, 18628, 23285, 32599, 37256, 46570, 65198, 74512, 93140, 130396, 149024, 162995, 186280, 260792, 298048, 325990, 372560, 521584, 596096, 651980, 745120, 1043168, 1303960, 1490240, 2086336, 2607920, 2980480, 4172672, 5215840, 10431680, 20863360]

約数ペア:

[(1, 20863360), (2, 10431680), (4, 5215840), (5, 4172672), (7, 2980480), (8, 2607920), (10, 2086336), (14, 1490240), (16, 1303960), (20, 1043168), (28, 745120), (32, 651980), (35, 596096), (40, 521584), (56, 372560), (64, 325990), (70, 298048), (80, 260792), (112, 186280), (128, 162995), (140, 149024), (160, 130396), (224, 93140), (280, 74512), (320, 65198), (448, 46570), (560, 37256), (640, 32599), (896, 23285), (1120, 18628), (2240, 9314), (4480, 4657)]