20370560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4547}}^1$

素因数の和:4573

約数の個数: 64

約数和(自身を含む): 55667520

約数和(自身を除く): 35296960

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, 4547, 9094, 18188, 22735, 31829, 36376, 45470, 63658, 72752, 90940, 127316, 145504, 159145, 181880, 254632, 291008, 318290, 363760, 509264, 582016, 636580, 727520, 1018528, 1273160, 1455040, 2037056, 2546320, 2910080, 4074112, 5092640, 10185280, 20370560]

約数ペア:

[(1, 20370560), (2, 10185280), (4, 5092640), (5, 4074112), (7, 2910080), (8, 2546320), (10, 2037056), (14, 1455040), (16, 1273160), (20, 1018528), (28, 727520), (32, 636580), (35, 582016), (40, 509264), (56, 363760), (64, 318290), (70, 291008), (80, 254632), (112, 181880), (128, 159145), (140, 145504), (160, 127316), (224, 90940), (280, 72752), (320, 63658), (448, 45470), (560, 36376), (640, 31829), (896, 22735), (1120, 18188), (2240, 9094), (4480, 4547)]