20512572064

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{503549}}^1$

素因数の和:503645

約数の個数: 48

約数和(自身を含む): 43144164000

約数和(自身を除く): 22631591936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 67, 76, 134, 152, 268, 304, 536, 608, 1072, 1273, 2144, 2546, 5092, 10184, 20368, 40736, 503549, 1007098, 2014196, 4028392, 8056784, 9567431, 16113568, 19134862, 33737783, 38269724, 67475566, 76539448, 134951132, 153078896, 269902264, 306157792, 539804528, 641017877, 1079609056, 1282035754, 2564071508, 5128143016, 10256286032, 20512572064]

約数ペア:

[(1, 20512572064), (2, 10256286032), (4, 5128143016), (8, 2564071508), (16, 1282035754), (19, 1079609056), (32, 641017877), (38, 539804528), (67, 306157792), (76, 269902264), (134, 153078896), (152, 134951132), (268, 76539448), (304, 67475566), (536, 38269724), (608, 33737783), (1072, 19134862), (1273, 16113568), (2144, 9567431), (2546, 8056784), (5092, 4028392), (10184, 2014196), (20368, 1007098), (40736, 503549)]