20066128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 41292000

約数和(自身を除く): 21225872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 443, 596, 886, 1192, 1772, 2384, 2831, 3544, 5662, 7088, 8417, 11324, 16834, 22648, 33668, 45296, 66007, 67336, 132014, 134672, 264028, 528056, 1056112, 1254133, 2508266, 5016532, 10033064, 20066128]

約数ペア:

[(1, 20066128), (2, 10033064), (4, 5016532), (8, 2508266), (16, 1254133), (19, 1056112), (38, 528056), (76, 264028), (149, 134672), (152, 132014), (298, 67336), (304, 66007), (443, 45296), (596, 33668), (886, 22648), (1192, 16834), (1772, 11324), (2384, 8417), (2831, 7088), (3544, 5662)]