20944059280

素因数分解:

$2^4\times 5^1\times {\mathrm{261800741}}^1$

素因数の和:261800754

約数の個数: 20

約数和(自身を含む): 48694938012

約数和(自身を除く): 27750878732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 261800741, 523601482, 1047202964, 1309003705, 2094405928, 2618007410, 4188811856, 5236014820, 10472029640, 20944059280]

約数ペア:

[(1, 20944059280), (2, 10472029640), (4, 5236014820), (5, 4188811856), (8, 2618007410), (10, 2094405928), (16, 1309003705), (20, 1047202964), (40, 523601482), (80, 261800741)]