20227789424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{446569}}^1$

素因数の和:446745

約数の個数: 40

約数和(自身を含む): 41531010000

約数和(自身を除く): 21303220576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 2384, 2831, 5662, 11324, 22648, 45296, 446569, 893138, 1786276, 3572552, 7145104, 8484811, 16969622, 33939244, 66538781, 67878488, 133077562, 135756976, 266155124, 532310248, 1064620496, 1264236839, 2528473678, 5056947356, 10113894712, 20227789424]

約数ペア:

[(1, 20227789424), (2, 10113894712), (4, 5056947356), (8, 2528473678), (16, 1264236839), (19, 1064620496), (38, 532310248), (76, 266155124), (149, 135756976), (152, 133077562), (298, 67878488), (304, 66538781), (596, 33939244), (1192, 16969622), (2384, 8484811), (2831, 7145104), (5662, 3572552), (11324, 1786276), (22648, 893138), (45296, 446569)]